2.If your Chromebook is dropped
from a height of 45 feet on the planet Newton, its height (in feet) after t seconds is approximately h(t)=45−14t2. How long does it take for the book to hit the surface of the planet? Round your answer to the nearest tenth.
vame:
23
Ms. Blankenship had $80 to purchase school supplies for her class. She bought 32 glue sticks and 32 boxes of crayons. Each glue stick cost 31.40 , and each box of crayons cost 50,59 . How much money did Ms. Blankenship have left after these purchases?
Lames plas on a basketball heam his team scores 114 points in the first game and 10.1 points in the second game. In mo games, he scored ?? of the total number of points his leam scored
What thas the total number of point James scored in these nvo games?
In a Bank every 15 minutes one customer arrives for the cheque. The staff in the only payment counter takes 10 minutes for serving a customer on an average. Find
(d) Average number of Customer in the bank
(e) Average number of Customer in the queue Average time that a customer spends in the bank
Exponential Growth A=Pert
Population of city Santa Clava in 2003 was 98,000 Population now of Santa Clara in 2022 was 131,886 Based on these numbers and exponelitial growth, estimate the population of Santa Clara in 2050
4. Andrea has a container in the shape of a rectangular prism that she uses for blueberry picking. If the blueberries fill the container to a height of 15 centimeters. what is the volume of the blueberries in the container? Show your work.
Lesson 1.1∼ Adding and Subtracting Decimats
Name
Period
Date
3
Find ouch sum. 1. 6.57+5.32 2. 4.05+7.95 3. 9.812+8.4
\.10.002+0.308<br/>5.3.9+5.334<br/>6.15.300+5.813<br/>7.Celiaboughtacamerafor\158,96 and a scrapbook for $38,75. How much did she spend altogether? Find each difference. 8. 8.6−5.5 9. 7.983−3.87 10. 16.35−10.983 11. 20.4−13.94 12. 70.54−35.36 13. 33.333−22.555
- 14. A rectangle had a length of 4.5 units and a width of 2.67 units. How much longer was th length of the rectangle than its width? Find each sum or difference. 15. 88.4+15.65 16. 91.001−50.953 17. 37.203−29.8
1 C 4 25,1 5 3 3
First National Bank will not charge a service fee if there is at least $500 in the account. On Nondoy, a client's balance was $612.35 and they withdrew $30.
a. Buld an inequality to represent the scenario above.
b. Solve the inequality.
c. What does the solytion mean in context of the probliem?
Angel has $90 to buy soccer uniforms. Each jersey costs $15 and each pair of shorts costs $12
Part A
Write an inequality to represent the number of jerseys x and the number of pairs of shorts y Angel can buy:
The volume of a cylinder with a base of radius r is the area of the base times the length of its height ( h ). Which of the following is the formula for the volume of a cylinder?
A. V=πrh
B. V=πr2h
C. V=21πrh
D. V=2πrh
4. Pacific Coast Coffee is priced at $12.88 for 80 cups of coffee and Down South Coffee is priced at $9.00 for 50 cups. Which brand of coffee is the better value for one cup?
An expression is shown.
(2.7)1⋅(2.7)−4(2.7)−2⋅(2.7)3 Apply the Laws of what Exponents to determine the value of the expression. The value of the expression is
\begin{tabular}{|l|l|}
\hline Stem (hundred thousands) & Leaf (ten thousands) \\
\hline \hline 0 & 667778999 \\
\hline \hline 1 & 02447778889999 \\
\hline 2 & 0011234445667889 \\
\hline 3 & 00011227 \\
\hline
\end{tabular} The stem-and-leaf plot above shows house sale prices over the last week in Tacoma. What was the most expensive house sold? Give your answer in dollars
\\square$
The line x+5y+22=0 intersects the circle x2+y2+4x+8y−6=0 at the point A and B. Find the coordinates of A and B.
Answer
a. A(7,−3),B(3,5)
b. A(7,−3),B(3,−5)
c. A(6,−3),B(3,−7)
d. A(6,−3),B(3,−7)
A teacher recorded the time (in minutes) 14 students each spent on a quiz. The results are shown in the line plot.
(a) Fill in the blank. The peak of the data set is at minutes.
(b) Choose True or False.
True False
There is a gap from 19 to 21.
There is a cluster from 16 to 17.
The data set is symmetric.
Copy △ABC below on graph paper, then read the Math Notes box in this lesson before completing the parts below. 1−62HW eTool Homework Help
a. Rotate △△ABC90∘ counterclockwise (U) about the origin to create ΔA′B′C′. Name the coordinates of C′.
b. Reflect △ABC across the vertical line x=1 to create ΔΔA′′B′′C′′. Name the coordinates of the vertices.
c. Translate △ABC so that Am′ is at (4,−5). Name the coordinates of B′′′.
The following table gives the distribution of the marks.
\begin{tabular}{|c|c|}
\hline Mark & Frequency \\
\hline 4.5 & 18 \\
\hline 14.5 & 19 \\
\hline 24.5 & x \\
\hline 34.5 & 12 \\
\hline 44.5 & 9 \\
\hline 54.5 & 5 \\
\hline 64.5 & 2 \\
\hline 74.5 & 2 \\
\hline 84.5 & 1 \\
\hline
\end{tabular} If the mean mark for the candidates was found to be 26.06 , find the
a. value of x.
b. variance.
c. standard deviation.
d. draw a histogram for the distribution.
e. Find the probability that a candidate chosen at random obtain 55 marks or more.
Find the coordinates of P that represent the weighted average for the given set of points with the given weights.
- A has a weight of 3 .
- B has a weight of 2 .
19. The wonderful news her greatly, and she thought it must be good to be true.
a. affected; to
b. affected; too
c. effected; to
d. effected; too
Mark to review later...
Refer to the paragraph below to answer questions 27 through 30.
An Office Assistant must have good math skills. Knowledge of basic arithmetic, \#27 addition, subtraction, multiplication and division form a solid \#28 for a successful candidate. Knowledge of percentages and fractions will also be \#29 Being able to \#30 fractions to percentages may be necessary. 27. Which of the following best completes blank \#27 in the paragraph presented above?
a. summing
b. including
c. comprising
d. containing
Mark to review later...
33. In alphabetical filing, which name would appear FIRST?
a. Pipeline Coastal Group
b. Pip Pipes And Plumbing Services
c. Pipe And Drains Co.
d. Pipe Fitters \& Plumbers Services
Mark to review later...
44. Which of the following sets of identification numbers is listed in alphanumerical order?
a. T7,U6,U3,V7,V2
b. T3, V7, V2, U3, T9
c. T5,T9,U7,V3,V7
d. U1, U7, V2, V6, T8
Mark to review later...
Assigament 3.1
Find the derivative without using a calculator. 1. y=(3x+5)3 2. f(x)=3(7x+5)4 3. y=2−3x 4. f(t)=(1−t)21 5. y=(x2+1)2 6. g(x)=x(2x+3)3 7. y=x+11 8. f(x)=x+13x−2 9. g(x)=sec(4x) 10. y=4tan(2x) 11. f(θ)=21sin2(3θ) 12. y=2x4x3−2x Find an equation of the line tangent to the graph of f at the given point without using a calculator. 13. f(x)=2x2+2 at (−1,2) 15. f(x)=(9x)31 at (71+275) 14. f(x)=xx+4 at (2,3) 16. f(x)=x21+cosx at (2π,4π21+1) Find the indicated derivatives. 17. dxd(2sinx−3)4 18. dt2d2(t2−1)23 19. Find the point(s) at which a line tangent to the graph of f(x)=(2x−3)s is parallel to the graph of y=24x−7. You may use a calculator. 20. If g(x)=(f(x))3,f(1)=2, and f′(1)=4, find g′(1) 21. Given these values \begin{tabular}{|c|c|c|c|c|}
\hlinex & f(x) & g(x) & f′(x) & g′(x) \\
\hline 2 & 3 & 2 & -1 & 4 \\
\hline 3 & -2 & 21 & 6 & 5 \\
\hline
\end{tabular} find the following derivatives.
a. dxdg(f(x)) at x=2
c. dxdg(x) at x=2
b. drd(g(x)f(x)) at x=2
d. dxdf(x)g(x) at x=2
LESSON 2∣ SESSION 2
(3) a. Three sidewalks in a schoolyard form a triangle. Explain how the expression 21(40)(30)+21(40)(20) represents the area inside the three sidewalks.
SChool. Rodrigo paints the is the area of the triangle shown. What is the area of the triangle?
You can use a formula to find the area. Use the side labeled 4 ft as the base. Then the height is 3 ft .
A=21bh=21(4)(3)=21(12)=6 The area of the triangle is 6ft2. 1. Suppose the height of Rodrigo's triangle in the Example is doubled. Will the area of the triangle also double? Explain how you know.
. 2 The letters that form the word MATHEMATICS are arranged as shown below on separate cards.
11.2.1 How many other "words" can be arranged using all these cards?
11.2.2 What is the probability that a "word" made, has all the vowels above next
1. Find the 11 th term of the geometric sequence. −17,−17,−17,… 3. Find the 10 th term of the geometric sequence. 17,34,68,… 5. Find the 8 th term of the geometric sequence. 11,33,99,… 7. Find the 12 th term of the geometric sequence. −16,−32,−64,… 2. Find the 11th term of the geometric sequence. −15,45,−135,… 4. Find the 8 th term of the geometric sequence. −1,−2,−4,… 6. Find the 8 th term of the geometric sequence. 1,−2,4,… 8. Find the 7 th term of the geometric sequence. −10,20,−40,…
Given the digits 1,2,5,6, and 9 .
a. How many 3 -digit numbers can be formed from these digits if no two
digits are to be the same?
b. Of the numbers formed in (a) how many are even? How many are odd?
How many are greater than 600 ?
c. How many numbers can be formed if digit may be repeated?
A और C मिलकर एक काम को जितने समरा नें खत्म करते हैं B उसके तीन गुने समय में काम को समाप्त करता है तथा A और B मिलकर काम को जितने समय में करते हैं, C उसके दो गुने समय में काम खत्म करता है। तीनों मिलकर काम को 10 दिनों में समाप्त करते हैं, तो A काम को कितने दिनों में समाप्त करेगा ?
A और C मिलकर एक काम को जितने समार नें खत्म करते हैं B उसके तीन गुने समय में काम को समाप्त करता है तथा A और B मिलकर काम को जितने समय में करते हैं, C उसके दो गुने समय में काम खत्म करता है। तीनों मिलकर काम को 10 दिनों में समाप्त करते हैं, तो A काम को कितने दिनों में समाप्त करेगा ?
IV. Instructions: Write R if each of the following pairs of quantities is rate, write N if Not, then convert it to unit rate.
\begin{tabular}{|l|l|}
\hline 1. 5 humans to 10 hands & 2. P300 per 2 hours of work \\
\hline 3. P300 to 2 kg of rambutan & 4.20 meters in 5 seconds \\
\hline 5.24 miles in every 8 hours & 6. P30,000.00 in 3 square meter \\
\hline 7.60 seconds per minute & 8.6 inches in half ruler \\
\hline
\end{tabular}
Graph the polynomial function f(x)=x2(x+5) using parts (a) through (e). The lesser zero of the function is of multiplicity □ , so the graph of f□ the x-axis at x=□ . The greater zero of the function is of multiplicity □ , so the graph of f□ the x-axis at x=□ .
Solve the following inequality.
5[5m−(m+8)]>−4(m−1) Select the correct choice below and fill in the answer box to' complete your choice.
A. The solution set is {m∣m>□
B. The solution set is {m∣m≤□
C. The solution set is {m/m≥□ \}.
D. The solution set is {m/m<□ \}.