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Problem 1801

Given the function $y=4 \sin (3 \sqrt{x})$ , find $\frac{d y}{d x}$ .
Answer Attempt 1out of 2 $\frac{d y}{d x}=$ $\square$ Submit Answe

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Problem 1802

Find the derivative of the function. $\begin{array}{l} f(x)=4 e^{x}-x^{2} \\ f^{\prime}(x)=\square \end{array}$

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Problem 1803

What is the volume of this triangular pyramid?

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Problem 1804

Given the function $f(x)=-3 \sin \left(\sqrt{4+3 x^{3}}\right)$ , find $f^{\prime}(x)$ .
Answer Attempt 1 out of 2 $f^{\prime}(x)=$ Subnuit Answer

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Problem 1805

Score: 7/10 Penalty: none
Question Watch Video
The unit circle below shows $155^{\circ}$ and $-155^{\circ}$ . Find the values below, rounded to three decim necessary. $\begin{array}{l} \tan \left(155^{\circ}\right)=\square \\ \tan \left(-155^{\circ}\right)=\square \\ \tan \left(155^{\circ}\right)=-\tan \left(-155^{\circ}\right) \end{array}$

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Problem 1806

Given the function $h(x)=\frac{\sqrt{1-6 x^{3}}}{\sin ^{2}(x)}$ , find $h^{\prime}(x)$ in any form. Note: make sure to write trig functions using parentheses like $\sin ^{2}(x)$ instead of $\sin ^{2} x$ , otherwise expression.
Answer Attempt i out of 2 $h^{\prime}(x)=$ $\square$ Submit Answer

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Problem 1807

Use logarithms to solve the equation for $t$ . (Round your answer to two decimal $t=\square \frac{20}{1+2 e^{-0.1 t}}=10$

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Problem 1808

Find the exact value of $\sin \frac{\pi}{4}$ in simplest form with a rational denominator.
Answer

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Problem 1809

Nitrogen Levels and Lettuce Yield Study
A laboratory conducts a study to examine the effect of different levels of nitrogen on the yield of lettuce plants (emergent stalks per plot).
The data are shown in the table and scatter plot is given below the table. \begin{tabular}{|l|c|c|c|c|c|c|c|c|c|} \hline \begin{tabular}{l} Nitrogen \\ Level \end{tabular} & 1 & 1 & 1 & 2 & 2 & 2 & 3 & 3 & 3 \\ \hline \begin{tabular}{l} Lettuce \\ Yield \end{tabular} & 21 & 18 & 17 & 24 & 22 & 26 & 34 & 29 & 32 \\ \hline \end{tabular}
Linear Relationship between Nitrogen Levels and Lettuce Vield
Also displayed are the relevant sums needed to calculate Pearsor's Linear Correlation Coefficient and the slope of the best fit line. $\sum x=18 \quad \sum y=223 \quad \sum x^{2}=42 \quad \sum y^{2}=5811 \quad \sum x y=485$
20 Numeric 0.75 points The linear correlation coefficient that describes the relationship between nitrogen level and lettuce vield is 0.94.
What is the coefficient of determination? Report the value as a proportions (not a percentage). Round the proportion to the 10,000 ths place.
Type your answer.

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Problem 1810

ALLES - SHANNON WHITE Account Login https://www-awu,aleks.com/alekscgi/x/lsl.exe/1o_u-lgNslkr7j8P3jH-lv-6txjbonmDn7WsVrRAXK6XnHkiRvH2t18ojvhdilrCzwuxMG2HPz_VObD2efpNOI6SS... Express VPN Amazon.com - Onli. LastPass password... Amazon.com - Onlio... Booking.com Random Variables and Distributions Binomial problems: Ad vanced SHAN
From experience, an airline knows that only $80 \%$ of the passengers booked for a certain flight actually show up. If 8 passengers are randomly selected, find the probability that at most 6 of them show up.
Carry your intermediate computations to at least four decimal places, and round your answer to two decimal places. (If necessary, consult a list of formulas.) $\square$ Explanation Check Q2024 McGraw HIIILC. All Rights Reserved. Torms of Use I Pivacy Center I Upcoming Earnings Search

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Problem 1811

Use your calculator to evaluate each expression. Give answers in degrees, rounded to 1 decimal place. $\begin{array}{l} \sin ^{-1}(-0.25)=\square \\ \cos ^{-1}(0.48)=\square \\ \tan ^{-1}(6)=\square \end{array}$
Try reloading this question and estimating the answers in your head before using a calcula Submit Question

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Problem 1812

$x^{2}-64=$

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Problem 1813

1. $x^{3} y+x y^{3}=-8 x y$

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Problem 1814

Suppose $x=4$ and $y=7$ in the figure, which is not drawn to scale. Find the following. Enter exact answers given as fractions, not decimal approximations. help (fractions)
1. $\cos (\theta)=$ $\square$
2. $\sin (\theta)=$ $\square$
3. $\tan (\theta)=$ $\square$
Note: You can earn partial credit on this problem.

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Problem 1815

Evaluate the following expressions. Your answer must be an angle in radians and in the interval $\left[-\frac{\pi}{2}, \frac{\pi}{2}\right]$ . (a) $\sin ^{-1}(0)=$ $\square$ (b) $\sin ^{-1}\left(\frac{\sqrt{2}}{2}\right)=$ $\square$ (c) $\sin ^{-1}\left(\frac{\sqrt{3}}{2}\right)=$ $\square$ Submit Question

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Problem 1816

Video (D)
Simon buys a fancy watch priced at \ $285. If the sales tax is$ 9 \% $, how much tax will Simon pay? \$$ \square$ Submit

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Problem 1817

5. m \overparen{A C}

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Problem 1818

50 [chercher.]
On donne $\mathrm{I}=\left[-2 ; \frac{1}{2}\right]$ et $a=0$ . Sachant que T passe par A et par le point $\mathrm{B}\left(\frac{1}{2} ; 2\right)$ , calculer $f^{\prime}(a)$ .

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Problem 1819

In this figure, $\overline{A B} \| \overline{C D}$ and $m \angle 1=110^{\circ}$ . What is $m \angle 5$ ?
Enter your answer in the box. $\square$

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Problem 1820

Find the value of $x$ that makes $m \| n$ .
DOL:

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Problem 1821

Given a normally distributed dataset with a mean of 100 and a standard deviation of 20, calculate the z -score for a data point that is 120 .

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Problem 1822

A training field is formed by joining a rectangle and two semicircles, as shown below. The rectangle is 83 m long and 58 m wide. What is the length of a training track running around the field?
Do not round any intermediate computations. Round your final answer to the nearest hundredth and be sure to include the correct unit. If necessary, refer to the list of geometry formulas. $\square$ m $m^{2}$ $\mathrm{m}^{3}$

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Problem 1823

6- A boy weighs exactly 36.5 kg . When weighed on a defective scale, he weighed 38 kg . His younger sister weighs 14 kg on the same defective scale, her actual mass would be ... a) 12.5 kg b) 13.4 kg c) 14.6 kg d) 15.5 kg

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Problem 1824

How many times greater ( in standard notation ) is $\left(7.2 \times 10^{-9}\right)$ than $\left(1.2 \times 10^{-12}\right)$ ? Show all work. One point. 11)

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Problem 1825

Determine the value for $c$ in the quadratic expression below by completing the square. your answer in the blank below. $\begin{array}{l} x^{2}+8 x+c \\ 25 \end{array}$

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Problem 1826

Question 5 10 pts
The directrix of the parabola $y=\frac{1}{4} x^{3}-2$ is $y=l$ . What is the value of $l$ ? $\square$ 4
Question 6 10 pts

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Problem 1827

You want to have $\$ 500,000$ when you retire in 25 years. If you can earn $9 \%$ interest compounded monthly, how much would you need to deposit now into the account to reach your retirement goal? \\square$ Submit Question

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Problem 1828

2. Divide by using Lony-Division a) $\frac{5 x^{4}-6 x^{2}+2 x-3}{x+3}$ 5) $\frac{2 x^{4}+6 x^{3}-4 x^{2}+2 x+8}{2 x+1}$

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Problem 1829

dul's rectangular flower bed measures 121 cm long and 89 cm wide. wants to cover the flower bed in mulch. knows the area each bag of mulch covers, but only in square feet. (a) Find the area of Abdul's flower bed in square feet. Do not round intermediate computations and round your final answer to two decimal places. Use the table of conversion facts, as needed. \text { \I } \mathrm{ft}^{2} (b) Abdul wants to cover his flower bed with mulch. He doesn't have any to begin with and he can't buy partial bags of mulch. Each bag of mulch covers $1.7 \mathrm{ft}^{2}$ . How many whole bags of mulch does Abdul need to buy to completely cover his flower bed? $\square$ bags (c) If each bag of mulch costs $\$ 3.47$ , how much will he need to spend on mulch? Write your answer to the nearest cent. Explanation Check (c) 2024 McGraw Hill LLC. All R

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Problem 1830

armer has farmland that is a rectangle 2 mi long and 1.5 mi wide. ne wants to completely cover the farmland in dirt. He knows the area each truckload of dirt covers, but only in square kilometers. (a) Find the area of the farmland in square kilometers. Do not round intermediate computations and round your final answer to two decimal places. Use the table of conversion facts, as needed. $\square$ $\mathrm{km}^{2}$ (b) The farmer wants to cover his farmland with dirt. He doesn't have any to begin with and he can't buy partial truckloads of dirt. Each truckload of dirt covers $2.1 \mathrm{~km}^{2}$ . How many whole truckloads of dirt does the farmer need to buy to completely cover his farmland? $\square$ truckloads (c) If each truckload of dirt costs $\$ 60.29$ , how much will he need to spend on dirt? Write your answer to the nearest cent.
Conversion facts for length \begin{tabular}{rl|} 1 inch $(\mathrm{in})$ & $=2.54$ centimeters $(\mathrm{cm})$ \\ 1 foot $(\mathrm{ft})$ & $=30.48$ centimeters $(\mathrm{cm})$ \\ 1 yard $(\mathrm{yd})$ & $\approx 0.91$ meters $(\mathrm{m})$ \\ 1 mile $(\mathrm{mi})$ & $\approx 1.61$ kilometers $(\mathrm{km})$ \\ \hline \end{tabular}
Note that $\approx$ means "is approximately equal to". For this problem, treat $\approx$ as if it were $=$ . Explanation Check

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Problem 1831

$\begin{array}{l}\$ 1000 \times 1 \% \\ =\end{array}$

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Problem 1832

Find the measure of each numbered angle. $m \angle 1=$ $\square$ , $m \angle 2=$ $\square$ : $m \angle 3=$

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Problem 1833

What is the decimal value of $x$ after the following code has executed? $\text { int } x=9^{\wedge} 3$

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Problem 1834

Solve for $x$ , rounding to the nearest hundredth. $84 \cdot 2^{x}=420$

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Problem 1835

(b) $99 \%$ confidence interval based on a random sample of size 58 $t^{*}=$

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Problem 1836

5. What is the sum of $1 / 9,2 / 3$ , and $5 / 18$ ? A. ${ }^{19 / 18}$ B. ${ }^{12 / 9}$ C. $4 / 15$ D. $8 / 30$

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Problem 1837

9 In the following figure, the value of x is $\square$
Note: Round your answer to the nearest tenth.

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Problem 1838

6. Find the amount of the discount on a $\$ 234$ item with a discount of $15 \%$ A. $\$ 35.01$ B. $\$ 23.40$ C. $\$ 35.10$ D. $\$ 40.00$

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Problem 1839

Two markers $A$ and $B$ on the same side of a canyon rim are 60 feet apart. A third marker C, located across the rim, is positioned so that $\angle B A C=75^{\circ}$ and $\angle A B C=51^{\circ}$ . Complete parts (a) and (b) below. (a) Find the distance between C and A .
The distance between C and A is approximately $\square$ feet. (Do not round until the final answer. Then round to one decimal place as needed.)

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Problem 1840

ASSIGNMENTS / Q2. 1 RELATIONS AND FUNCTIONS
7 The explicit formula shown is used to generate a sequence of numbers. $a_{n}=-15+5(n-1)$
Find the $21^{\text {st }}$ term of the sequence. $a_{21}=$

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Problem 1841

Question Watch Video Show Examples
Given the function $f(x)=-\frac{5 \sqrt{x}}{2}-\frac{\sqrt{x^{3}}}{3}$ , find $f^{\prime}(4)$ . Express your answer as a single fraction in simplest form.
Answer Attempt 1 out of 10 $f^{\prime}(4)=$ $\square$ Submit Answer $\sqrt{ }$ $\sqrt[n]{ }$

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Problem 1842

A Sunday school class went on an outing in a bus that used 2 gal . of gas to travel 25 mi . If they traveled 175 mi., how much gas did the bus use?

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Problem 1843

Question Watch Video Show
Given the function $f(x)=\left(-6+2 x^{-3}\right)\left(x^{2}+8 x^{-1}+10\right)$ , fin in any form.
Answer Attempt 1 out of 10 $f^{\prime}(x)=$ $\square$ Submit

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Problem 1844

5. $(-10+4 i)+(3-2 i)$
6. $(100+i)-(102+4 i)$
7. $(6-6 i)+(7-6 i)$
8. $(13+14 i)-(8+8 i)$
9. $(47-27 i)-(37-27 i)$
10. $4-(2+3 i)$
11. $(6+17 i)-(2+17 i)$
12. $(38+2 i)+(-25-14 i)$
13. $(21+16 i)-(17+20 i)$
14. $(1+6 i)-9 i$
15. $(8+3 i)+(-1-2 i)$
16. $(18+55 i)-(18+67 i)$
17. $(-3+16 i)+(1-19 i)$
18. $2-(2+12 \mathrm{i})$
19. $(4+12 i)-(4-8 i)$
20. $(2+18 i)+(-2+2 i)$
21. $(1+i)+(4+5 i)$
22. $(22-12 i)-9$

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Problem 1845

Between 2005 and 2010, the average rate of inflation was about $3.2 \%$ per year (as measured by the Consumer Price Index). If a cart of groceries cost $\$ 150$ in 2005 , what did it cost in $2010 ?$

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Problem 1846

$2 n^{2}=-144$

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Problem 1847

Find the volume of the figure. Express answers in terms of $\pi$ , then round to the nearest whole number.
Express the volume of the figure in terms of $\pi$ . $\square$ $\square$ (Type an exact answer in terms of $\pi$ .)

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Problem 1848

Jasmine had $\$ 800.00$ to invest. She invested part at $9 \%$ per annum and the rest at $12 \%$ per annum. After one year, the total interest camed was \$79.50. How much did she invest at each rate?

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Problem 1849

During a record cold-snap, Riverton High School's boilers give out. Ordinarily the repairs would take Mr Thompson 8 hours. To complete the project faster, Principal Waite deputizes Vice-Principals Tranter, Richins, and Tilby as emergency mechanics. (They may lack training and talent, but their enthusiasm is beyond question!) If Mr Thompson's new assistants each work at half his speed, how many hours will it take to repair the boilers?
Total Time $=$ $\square$ Answers may be written as unsimplified fractions or as decimals. If you choose decimals, round your answer

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Problem 1850

Find the volume of the figure.
The volume of the figure is $\square$ $\square$

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Problem 1851

Entscheiden sie sich für eín passendes Verfahren: pq Formel, Wurzel żehen oder ausklammern und berechnen sie die nullstelle agrebraisch c) $f(x)=\frac{1}{3} x^{2}-2 x+4$ e) $f(x)=2 x^{2}-2 x$ f) $f(x)=-2 x^{2}-8 x-8$

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Problem 1852

Exercises compute $\sin \theta$ and $\cos \theta$ for $\theta=15^{\circ}$ and $75^{\circ}$ respectively

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Problem 1853

Solve: $-8-3 x<4$ The answer has form: $x>A$ $x<A$
Where $\mathrm{A}=$ $\square$ Question Help: Video Submit Question Jump to Answer

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Problem 1854

Solve: $2-3 x>4$ The answer has form: $x>A$ $x<A$

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Problem 1855

56:27
What are the solutions of the quadratic equation $(x-8)^{2}-13(x-8)+30=0$ ? Use $u$ substitution to solve. $x=-11$ and $x=-18$ $x=-2$ and $x=5$ $x=2$ and $x=-5$ $x=11$ and $x=18$

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Problem 1856

Solve: $4 x+3<6 x+4$ The answer has form: $x<A$ $x>A$
Where $A=$ $\square$ Question Help: Video Submit Question Jump to Answer

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Problem 1857

Solve: $7-5 x>3$ The answer has form: $x>A$ $x<A$

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Problem 1858

Score: 30/190 Answered: 3/19 Question 8
The following inequality has a solution in the form $x>A$ . Solve the inequality and place the correct value of $A$ into the box. $14 x-13>-5+3 x$
Answer: $x>$ $\square$ Enter your answer as an integer or a reduced fraction in the form A/B.

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Problem 1859

31 Tun 13 No $500212 i$ а) Решите уравнение $6 \sin ^{2} x+5 \sin \left(\frac{\pi}{2}-x\right)-2=0$ . 6) Найдите все кории этого уравиеиия, приндлежашие огрезку $\left[-5 \pi,-\frac{7 \pi}{2}\right]$ .

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Problem 1860

Consider the function $f(x)=7-|x|$ defined on $[-7,7]$ . (a) Compute the left Riemann sum $L_{5}$ . $L_{5}=$ $\square$ help (numbers) (b) Compute the right Riemann sum $R_{5}$ . $R_{5}=$ $\square$ help (numbers) (c) Compute the average value of $L_{5}$ and $R_{5}$ .
Average value $=$ $\square$ help (numbers) (d) Compute the area under the graph of f .
Area $=$ $\square$ help (numbers) (e) Compare the two values found in (c) and (d).
The average value is $\square$ the area.

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Problem 1861

The point $N$ lies on the segment $\overline{M P}$ . Find the coordinates of $N$ so that the ratio of $M N$ to $N P$ is 3 to 4. $\begin{array}{l} N_{x}=\frac{n}{m+n} M_{x}+\frac{m}{m+n} P_{x} \\ N_{y}=\frac{n}{m+n} M_{y}+\frac{m}{m+n} P_{y} \end{array}$
Find the coordinates of point N : Submit and Explain

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Problem 1862

Question Solve the following equation for $a$ . Be sure to take into account whether a letter is capitalized or not. $a f=H$
Answer Aitempt 1 out of 2 $a=$ $\square$ Submit Answer

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Problem 1863

(a) Find the Riemann sum for $f(x)=x-2 \sin (2 x), 0 \leq x \leq 3$ , with six terms, taking the sample points to be right endpoints. Give your answer correct to six decimal points. $R_{6}=$ (b) Repeat (a) with midpoints as the sample points. $M_{6}=$

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Problem 1864

Given the function $f(x)=\cos (\pi x)$ , compute the right-endpoint (Riemann) sum using $n=3$ on the interval $[0,1]$ . $R_{3}=$ help (numbers)

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Problem 1865

Užpildyk lentelę. \begin{tabular}{|c|c|c|c|c|c|} \hline Daiktų skaičius pakuotėse & 5000 & 400 & 3000 & 2000 & 19 \\ \hline Pakuočių skaičius & 10 & 100 & 1000 & 40 \\ \hline aiktų skaičius vienoje pakuotėje & 500 & & & \\ \hline \end{tabular} lektroninė parduotuvė per mènesį pardavè 20 laikrodžių po 30 Eur ir ėlapių po 20 Eur. Kiek iš viso eurų už šias prekes gavo parduotuve?

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Problem 1866

\begin{tabular}{|c|c|c|c|c|c|} \hline Daiktų skaičius pakuotėse & 5000 & 400 & 3000 & 2000 & 1900 \\ \hline Pakuočių skaičius & 10 & 100 & 1000 & 40 & 20 \\ \hline Daiktų skaičius vienoje pakuotèje & 500 & 4 & 3 & 50 & \\ \hline \end{tabular}
Elektroniné parduotuvė per mènesį pardavė 20 laikrodžių po 30 Eur ir 40 žemėlapių po 20 Eur. Kiek iš viso eurų už šias prekes gavo parduotuvè?

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Problem 1867

Note: $j \| k$ and $l \| m$
SOLVE FOR XAND Y.

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Problem 1868

Calculate. $\frac{6 \times 10^{7}}{2 \times 10^{4}}$
Write your answer in scientific notation.

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Problem 1869

En la figura a continuación, $\overline{D G}$ y $\overline{D E}$ son tangentes al círculo con centro en $O$ . El segmento $\overline{G E}$ pasa a través del centro del cirrculo. Dado que $D G=2,5$ y $G E=1,5$ , hallar $G F$ . $G F=$ $\square$

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Problem 1870

Find $\hat{p}, x$ , and $E$ in DEF D. Lower Bound:0.134, Upper Bound:0.326, $n=1000$ E. Lower Bound:0.415, Upper Bound:0.537, $n=454$ F. Lower Bound:0.831, Upper Bound:0.861, n=766

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Problem 1871

The bar graph shows the cumulative number of deaths from AIDS in the United States, from 1990 through each of the years 1996 to 2002. The data in the graph can be modeled by the following polynomials, in which $f(x)$ and $g(x)$ represent the cumulative number of AIDS deaths $x$ years after 1990. $\begin{array}{l} f(x)=-2209 x^{2}+57,575 x+107,893 \\ g(x)=-83 x^{3}-697 x^{2}+50,612 x+113,439 \end{array}$
Cumulative Number of Deaths Irom AIDS 483,920
Use $f(x)$ to find the cumulative number of AIDS deaths in 2000. $\square$ (Simplify your answer.)

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Problem 1872

Given $L=\mathbf{2 0 0 0 ~ m m}, S=\mathbf{4 4 0 0} \mathbf{~ m m}$ , and $\psi=5^{\circ}$ , determine the moment of the force $F=\mathbf{2 . 7} \mathbf{N}$ applied at an angle of $\theta=\mathbf{4 2}{ }^{\circ}$ about point $O$ . Neglect the thickness of the member.
Question 1 Not yet answered Marked out of 1.50 Flag question

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Problem 1873

Use the substitution method to solve the system $\left\{\begin{array}{l} -x+y=2 \\ 4 x-3 y=-9 \end{array}\right.$ One or more solutions: $\square$ No solution Infinite number of solutions

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Problem 1874

$|x|=-18$
Select the correct choice and, if necessary, fill in the answer box in your choice below. A. $x=$ $\square$ - (Simplify your answer. Type an integer or a fraction. Use a comma to separate answers as needed.) B. There is no solution.

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Problem 1875

$4 x-11=11+2 x$

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Problem 1876

Find the function $f(x)$ described by the given initial value problem. $\begin{array}{l} f^{\prime \prime}(x)=2 \sin x, \quad f^{\prime}(\pi)=2, \quad f(\pi)=4 \\ f(x)=\square \end{array}$

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Problem 1877

$x=121$

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Problem 1878

Portal AlEXS www-awu.aleks.com/alel Iy Drive with Lyft - Bec.
Real Numberis Multiplying a constant and
Multiply. $6 a \cdot 3$

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Problem 1879

92. A choral director needs to divede 180 men and 144 women into all-men and all-women singing groups so that each group has the same number of people. What is the largest number of people that can be placed in cach singing group?

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Problem 1880

$\begin{array}{l}\left\{\begin{array}{l}3 x+2 y=14 \\ -4 x-2 y=-16\end{array}\right. \\ x= \\ y=\end{array}$

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Problem 1881

Williams and Co. is splitting their stock at a ratio of $3: 1$ . The pre-split price is $\$ 43.25$ and pre-split number of shares is 2.5 million. What is their Total pre-split Market Capitalization?

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Problem 1882

A direct variation includes the points $\left(-\frac{3}{2}, \frac{9}{4}\right)$ and $\left(-\frac{6}{5}, n\right)$ . Find $n$ . Write and solve a direct variation equation to find the answer. Simplify any fractions. $n=$ $\square$ Submit

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Problem 1883

Solve the system of equations by elimination/addition. Give your solution as an ordered pair. $\begin{array}{l} -10 x+y=-48 \\ -5 x-4 y=-33 \end{array}$

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Problem 1884

97. Two people are jogging around a circular track in the same direction. One person can run completely around the track in 15 minutes The second person takes 18 minutes If they both start running in the same place at the same time, how long will it take them to be together at this place if they contrue to run?

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Problem 1885

Exit Unit 8 b Quiz A
1. The following ticker information represents trades made for CitiGroup (C), Bank of America (BAC), Ford Motor Corp. (F) and Motorola Solutions (MSI).
MSI 4.2K@72.59 > 0.16. BAC .65K@15.28 A 1.11 F. 61.8K@13.67 > 2.07 C. 76K@43.54 0.09
Kylie sold her Bank of America shares as indicated above. How many shares did she sell? 5 6 7 main $a b c$ func RAD DEG Sign out Nov 13 8:55 EXTD

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Problem 1886

3. The following ticker information represents trades made for CitiGroup (C), Bank of America (BAC), Ford Motor Corp. (F) and Motorola Solutions (MSI). $\begin{array}{l} \text { MSI 4.2K@72.59 จ 0.16. BAC .65K@15.28 A } 1.11 \text { F.61.8K@13.67 } 72.07 \text { C. } \\ \text { 76K@43.54 } \Delta 0.09 \end{array}$
Kylie sold her Bank of America shares as indicated above. What was the total value of all the shares Kylie sold? Enter your answer as a monetary amount.

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Problem 1887

1. Curtis earned $\$ 65$ yesterday and $\$ 70$ today. How much did he earn for both days? \$105 \$125 \$135 \$155 PREVIOUS

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Problem 1888

Solve using any method: $\begin{array}{l} 3 x+9 y=7 \\ 2 x+6 y=4 \end{array}$

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Problem 1889

Consider the function $f(x)$ whose second derivative is $f^{\prime \prime}(x)=5 x+8 \sin (x)$ . If $f(0)=4$ and $f^{\prime}(0)=4$ , what is $f(x)$ ? $f(x)=$

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Problem 1890

Solve using any method: $\begin{array}{l} 3 x+9 y=7 \\ 2 x+6 y=4 \end{array}$

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Problem 1891

If $f(x)=x^{2}+4$ and $p(x)=\sqrt{x-1}$ , find $(f \circ p)(-6)$ . $(f \circ p)(-6)=$ $\square$ (Simplify your answer. Type an exact answer, using radicals

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Problem 1892

Certain radioactive material decays in such a way that the mass remaining after $t$ years is given by the function $m(t)=450 e^{-0.01 t}$ where $m(t)$ is measured in grams. (a) Find the mass at time $t=0$ .
Your answer is $\square$ (b) How much of the mass remains after 50 years?
Your answer is $\square$

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Problem 1893

Find $L^{-1}\left\{\frac{-3}{s-2}+\frac{4}{(s-2)^{2}}+\frac{7}{s+5}\right\}$

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Problem 1894

Record your answer and fill in the bubbles on your answer document. 2
Which value of $x$ is the solution to this equation $5 x^{2}=30 x-45$

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Problem 1895

1130 C70 - Fall 2024
Use factoring to solve the polynomial equation. Check by substitution or by using a graphing utility and identifying $x$ -intercepts. $2 x^{3}+22 x^{2}+20 x=0$
The solution set is $\square$ (Use a comma to separate answers as needed. Type repeated roots only once.)

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Problem 1896

Find $L^{-1}\left\{\frac{1}{s^{8}}+\frac{1}{s^{5}}+\frac{1}{s^{2}}\right\}$

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Problem 1897

Solve the system of equations by graphing: $\left\{\begin{array}{ll} 2 y+10 x & =-28 \\ y & =-5 x-14 \end{array}\right.$
Enter your answer as a numbers. If the system is inconsistent (has no solutions), enter DNE (for "does not exist") into each box. If the system is dependent (infinite number of solutions), enter the form of solutions into each box.)
Answer: $(x, y)=($ $\square$ , $\square$ )

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Problem 1898

Find $L^{-1}\left\{\frac{1}{s^{2}+12 s+36}\right\}$

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Problem 1899

Straight-time pay is the total amount of money you earn in a given pay period. It is calculated based upon your hourly rate of pay. To determine your straight-time pay, multiply the number of hours you worked by your hourly rate. Straight-Time Pay $=$ Hourly Rate $\times$ Hours Worked Examples Find the straight-time pay. Example 135 hours worked at $\$ 7.75$ per hour. \begin{tabular}{|c|c|c|c|c|} \hline Hourly Rate & $\times$ & Hours Worked & $=$ & Straight-Time Pay \\ \hline $\$ 7.75$ & $\times$ & 35 & $=$ & $\$ 271.25$ \\ \hline \end{tabular}
Example $236 \frac{3}{4}$ hours worked at $\$ 8.775$ per hour. \begin{tabular}{|l|c|c|c|c|c|} \hline & Hourly Rate & $\times$ & Hours Worked & $=$ & Straight-Time Pay \\ \hline & $\$ 8.775$ & $\times$ & 36.75 & $=$ & $\$ 322.481$ \\ \hline Calculator: & $\$ 8.775$ & $\times$ & 36.75 & $=$ & $\$ 322.48125$ \\ \hline \end{tabular} Practice

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Problem 1900

Question 1 (1 point) How long will it take you to double your savings with a 7\% annual compound interest rate?
Round up to nearest whole year. Hint: Use Rule of 72 Enter number of years only. $\square$ A $\sqrt{2}$ $\qquad$

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Solve

Problem 1801

Given the function y=4sin⁡(3x)y=4 \sin (3 \sqrt{x})y=4sin(3x​), find dydx\frac{d y}{d x}dxdy​.Answer Attempt 1out of 2 dydx=\frac{d y}{d x}=dxdy​= □\square□ Submit Answe

Problem 1802

Find the derivative of the function. f(x)=4ex−x2f′(x)=□\begin{array}{l} f(x)=4 e^{x}-x^{2} \\ f^{\prime}(x)=\square \end{array}f(x)=4ex−x2f′(x)=□​

Problem 1803

What is the volume of this triangular pyramid?

Problem 1804

Given the function f(x)=−3sin⁡(4+3x3)f(x)=-3 \sin \left(\sqrt{4+3 x^{3}}\right)f(x)=−3sin(4+3x3​), find f′(x)f^{\prime}(x)f′(x).Answer Attempt 1 out of 2 f′(x)=f^{\prime}(x)=f′(x)= Subnuit Answer

Problem 1805

Problem 1806

Problem 1807

Use logarithms to solve the equation for ttt. (Round your answer to two decimal t=□201+2e−0.1t=10t=\square \frac{20}{1+2 e^{-0.1 t}}=10t=□1+2e−0.1t20​=10

Problem 1808

Find the exact value of sin⁡π4\sin \frac{\pi}{4}sin4π​ in simplest form with a rational denominator.Answer

Problem 1809

Problem 1810

Problem 1811

Problem 1812

x2−64=x^{2}-64=x2−64=

Problem 1813

1. x3y+xy3=−8xyx^{3} y+x y^{3}=-8 x yx3y+xy3=−8xy

Problem 1814

Problem 1815

Problem 1816

Video (D)Simon buys a fancy watch priced at \285.Ifthesalestaxis285. If the sales tax is 285.Ifthesalestaxis9 \%,howmuchtaxwillSimonpay?$, how much tax will Simon pay? \$ ,howmuchtaxwillSimonpay?$\square$ Submit

Problem 1817

5. m \overparen{A C}

Problem 1818

50 [chercher.]On donne I=[−2;12]\mathrm{I}=\left[-2 ; \frac{1}{2}\right]I=[−2;21​] et a=0a=0a=0. Sachant que T passe par A et par le point B(12;2)\mathrm{B}\left(\frac{1}{2} ; 2\right)B(21​;2), calculer f′(a)f^{\prime}(a)f′(a).

Problem 1819

In this figure, AB‾∥CD‾\overline{A B} \| \overline{C D}AB∥CD and m∠1=110∘m \angle 1=110^{\circ}m∠1=110∘. What is m∠5m \angle 5m∠5 ?Enter your answer in the box. □\square□

Problem 1820

Find the value of xxx that makes m∥nm \| nm∥n.DOL:

Problem 1821

Given a normally distributed dataset with a mean of 100 and a standard deviation of 20, calculate the z -score for a data point that is 120 .

Problem 1822

Problem 1823

6- A boy weighs exactly 36.5 kg . When weighed on a defective scale, he weighed 38 kg . His younger sister weighs 14 kg on the same defective scale, her actual mass would be ... a) 12.5 kg b) 13.4 kg c) 14.6 kg d) 15.5 kg

Problem 1824

How many times greater ( in standard notation ) is (7.2×10−9)\left(7.2 \times 10^{-9}\right)(7.2×10−9) than (1.2×10−12)\left(1.2 \times 10^{-12}\right)(1.2×10−12) ? Show all work. One point. 11)

Problem 1825

Determine the value for ccc in the quadratic expression below by completing the square. your answer in the blank below. x2+8x+c25\begin{array}{l} x^{2}+8 x+c \\ 25 \end{array}x2+8x+c25​

Problem 1826

Question 5 10 ptsThe directrix of the parabola y=14x3−2y=\frac{1}{4} x^{3}-2y=41​x3−2 is y=ly=ly=l. What is the value of lll ? □\square□ 4Question 6 10 pts

Problem 1827

You want to have $500,000\$ 500,000$500,000 when you retire in 25 years. If you can earn 9%9 \%9% interest compounded monthly, how much would you need to deposit now into the account to reach your retirement goal? \ \square$ Submit Question

Problem 1828

2. Divide by using Lony-Division a) 5x4−6x2+2x−3x+3\frac{5 x^{4}-6 x^{2}+2 x-3}{x+3}x+35x4−6x2+2x−3​ 5) 2x4+6x3−4x2+2x+82x+1\frac{2 x^{4}+6 x^{3}-4 x^{2}+2 x+8}{2 x+1}2x+12x4+6x3−4x2+2x+8​

Problem 1829

Problem 1830

Problem 1831

$1000×1%=\begin{array}{l}\$ 1000 \times 1 \% \\ =\end{array}$1000×1%=​

Problem 1832

Find the measure of each numbered angle. m∠1=m \angle 1=m∠1= □\square□ , m∠2=m \angle 2=m∠2= □\square□ : m∠3=m \angle 3=m∠3=

Problem 1833

What is the decimal value of xxx after the following code has executed? int x=9∧3\text { int } x=9^{\wedge} 3 int x=9∧3

Problem 1834

Solve for xxx, rounding to the nearest hundredth. 84⋅2x=42084 \cdot 2^{x}=42084⋅2x=420

Problem 1835

(b) 99%99 \%99% confidence interval based on a random sample of size 58 t∗=t^{*}=t∗=

Problem 1836

5. What is the sum of 1/9,2/31 / 9,2 / 31/9,2/3, and 5/185 / 185/18 ? A. 19/18{ }^{19 / 18}19/18 B. 12/9{ }^{12 / 9}12/9 C. 4/154 / 154/15 D. 8/308 / 308/30

Problem 1837

9 In the following figure, the value of x is □\square□Note: Round your answer to the nearest tenth.

Problem 1838

6. Find the amount of the discount on a $234\$ 234$234 item with a discount of 15%15 \%15% A. $35.01\$ 35.01$35.01 B. $23.40\$ 23.40$23.40 C. $35.10\$ 35.10$35.10 D. $40.00\$ 40.00$40.00

Problem 1839

Problem 1840

ASSIGNMENTS / Q2. 1 RELATIONS AND FUNCTIONS7 The explicit formula shown is used to generate a sequence of numbers. an=−15+5(n−1)a_{n}=-15+5(n-1)an​=−15+5(n−1)Find the 21st 21^{\text {st }}21st term of the sequence. a21=a_{21}=a21​=

Problem 1841

Problem 1842

A Sunday school class went on an outing in a bus that used 2 gal . of gas to travel 25 mi . If they traveled 175 mi., how much gas did the bus use?

Problem 1843

Question Watch Video ShowGiven the function f(x)=(−6+2x−3)(x2+8x−1+10)f(x)=\left(-6+2 x^{-3}\right)\left(x^{2}+8 x^{-1}+10\right)f(x)=(−6+2x−3)(x2+8x−1+10), fin in any form.Answer Attempt 1 out of 10 f′(x)=f^{\prime}(x)=f′(x)= □\square□ Submit

Problem 1844

Problem 1845

Between 2005 and 2010, the average rate of inflation was about 3.2%3.2 \%3.2% per year (as measured by the Consumer Price Index). If a cart of groceries cost $150\$ 150$150 in 2005 , what did it cost in 2010?2010 ?2010?

Problem 1846

2n2=−1442 n^{2}=-1442n2=−144

Given the function $y=4 \sin (3 \sqrt{x})$ , find $\frac{d y}{d x}$ .
Answer Attempt 1out of 2 $\frac{d y}{d x}=$ $\square$ Submit Answe

Find the derivative of the function. $\begin{array}{l} f(x)=4 e^{x}-x^{2} \\ f^{\prime}(x)=\square \end{array}$

Given the function $f(x)=-3 \sin \left(\sqrt{4+3 x^{3}}\right)$ , find $f^{\prime}(x)$ .
Answer Attempt 1 out of 2 $f^{\prime}(x)=$ Subnuit Answer

Use logarithms to solve the equation for $t$ . (Round your answer to two decimal $t=\square \frac{20}{1+2 e^{-0.1 t}}=10$

Find the exact value of $\sin \frac{\pi}{4}$ in simplest form with a rational denominator.
Answer

$x^{2}-64=$

1. $x^{3} y+x y^{3}=-8 x y$

Video (D)
Simon buys a fancy watch priced at \ $285. If the sales tax is$ 9 \% $, how much tax will Simon pay? \$$ \square$ Submit

50 [chercher.]
On donne $\mathrm{I}=\left[-2 ; \frac{1}{2}\right]$ et $a=0$ . Sachant que T passe par A et par le point $\mathrm{B}\left(\frac{1}{2} ; 2\right)$ , calculer $f^{\prime}(a)$ .

In this figure, $\overline{A B} \| \overline{C D}$ and $m \angle 1=110^{\circ}$ . What is $m \angle 5$ ?
Enter your answer in the box. $\square$

Find the value of $x$ that makes $m \| n$ .
DOL:

How many times greater ( in standard notation ) is $\left(7.2 \times 10^{-9}\right)$ than $\left(1.2 \times 10^{-12}\right)$ ? Show all work. One point. 11)

Determine the value for $c$ in the quadratic expression below by completing the square. your answer in the blank below. $\begin{array}{l} x^{2}+8 x+c \\ 25 \end{array}$

Question 5 10 pts
The directrix of the parabola $y=\frac{1}{4} x^{3}-2$ is $y=l$ . What is the value of $l$ ? $\square$ 4
Question 6 10 pts

You want to have $\$ 500,000$ when you retire in 25 years. If you can earn $9 \%$ interest compounded monthly, how much would you need to deposit now into the account to reach your retirement goal? \\square$ Submit Question

2. Divide by using Lony-Division a) $\frac{5 x^{4}-6 x^{2}+2 x-3}{x+3}$ 5) $\frac{2 x^{4}+6 x^{3}-4 x^{2}+2 x+8}{2 x+1}$

$\begin{array}{l}\$ 1000 \times 1 \% \\ =\end{array}$

Find the measure of each numbered angle. $m \angle 1=$ $\square$ , $m \angle 2=$ $\square$ : $m \angle 3=$

What is the decimal value of $x$ after the following code has executed? $\text { int } x=9^{\wedge} 3$

Solve for $x$ , rounding to the nearest hundredth. $84 \cdot 2^{x}=420$

(b) $99 \%$ confidence interval based on a random sample of size 58 $t^{*}=$

5. What is the sum of $1 / 9,2 / 3$ , and $5 / 18$ ? A. ${ }^{19 / 18}$ B. ${ }^{12 / 9}$ C. $4 / 15$ D. $8 / 30$

9 In the following figure, the value of x is $\square$
Note: Round your answer to the nearest tenth.

6. Find the amount of the discount on a $\$ 234$ item with a discount of $15 \%$ A. $\$ 35.01$ B. $\$ 23.40$ C. $\$ 35.10$ D. $\$ 40.00$

ASSIGNMENTS / Q2. 1 RELATIONS AND FUNCTIONS
7 The explicit formula shown is used to generate a sequence of numbers. $a_{n}=-15+5(n-1)$
Find the $21^{\text {st }}$ term of the sequence. $a_{21}=$

Question Watch Video Show
Given the function $f(x)=\left(-6+2 x^{-3}\right)\left(x^{2}+8 x^{-1}+10\right)$ , fin in any form.
Answer Attempt 1 out of 10 $f^{\prime}(x)=$ $\square$ Submit

Between 2005 and 2010, the average rate of inflation was about $3.2 \%$ per year (as measured by the Consumer Price Index). If a cart of groceries cost $\$ 150$ in 2005 , what did it cost in $2010 ?$

$2 n^{2}=-144$

Find the volume of the figure. Express answers in terms of $\pi$ , then round to the nearest whole number.
Express the volume of the figure in terms of $\pi$ . $\square$ $\square$ (Type an exact answer in terms of $\pi$ .)

Jasmine had $\$ 800.00$ to invest. She invested part at $9 \%$ per annum and the rest at $12 \%$ per annum. After one year, the total interest camed was \$79.50. How much did she invest at each rate?

Find the volume of the figure.
The volume of the figure is $\square$ $\square$

Exercises compute $\sin \theta$ and $\cos \theta$ for $\theta=15^{\circ}$ and $75^{\circ}$ respectively

Solve: $-8-3 x<4$ The answer has form: $x>A$ $x<A$
Where $\mathrm{A}=$ $\square$ Question Help: Video Submit Question Jump to Answer

Solve: $2-3 x>4$ The answer has form: $x>A$ $x<A$

56:27
What are the solutions of the quadratic equation $(x-8)^{2}-13(x-8)+30=0$ ? Use $u$ substitution to solve. $x=-11$ and $x=-18$ $x=-2$ and $x=5$ $x=2$ and $x=-5$ $x=11$ and $x=18$

Solve: $4 x+3<6 x+4$ The answer has form: $x<A$ $x>A$
Where $A=$ $\square$ Question Help: Video Submit Question Jump to Answer

Solve: $7-5 x>3$ The answer has form: $x>A$ $x<A$

Question Solve the following equation for $a$ . Be sure to take into account whether a letter is capitalized or not. $a f=H$
Answer Aitempt 1 out of 2 $a=$ $\square$ Submit Answer

Given the function $f(x)=\cos (\pi x)$ , compute the right-endpoint (Riemann) sum using $n=3$ on the interval $[0,1]$ . $R_{3}=$ help (numbers)

Note: $j \| k$ and $l \| m$
SOLVE FOR XAND Y.

Calculate. $\frac{6 \times 10^{7}}{2 \times 10^{4}}$
Write your answer in scientific notation.

En la figura a continuación, $\overline{D G}$ y $\overline{D E}$ son tangentes al círculo con centro en $O$ . El segmento $\overline{G E}$ pasa a través del centro del cirrculo. Dado que $D G=2,5$ y $G E=1,5$ , hallar $G F$ . $G F=$ $\square$

Find $\hat{p}, x$ , and $E$ in DEF D. Lower Bound:0.134, Upper Bound:0.326, $n=1000$ E. Lower Bound:0.415, Upper Bound:0.537, $n=454$ F. Lower Bound:0.831, Upper Bound:0.861, n=766

Use the substitution method to solve the system $\left\{\begin{array}{l} -x+y=2 \\ 4 x-3 y=-9 \end{array}\right.$ One or more solutions: $\square$ No solution Infinite number of solutions

$|x|=-18$
Select the correct choice and, if necessary, fill in the answer box in your choice below. A. $x=$ $\square$ - (Simplify your answer. Type an integer or a fraction. Use a comma to separate answers as needed.) B. There is no solution.