Equation

Problem 2401

6. What are the equation and slope of the line shown on the grid? A. y=8y=8; slope is zero B. y=8y=8; slope is undefined C. x=8x=8; slope is zero D. x=8x=8; slope is undefined

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Problem 2402

8. What is the equation of the line shown on the grid? A. y=xy=x B. y=4.5y=-4.5 C. x=6x=-6 D. x=4.5x=-4.5

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Problem 2403

lowing (8 marily ]] is 90
3. The cost (C) of yearbooks for a school is given by the equation C=375+25n\mathrm{C}=\mathbf{3 7 5}+\mathbf{2 5 n}, where nn is the number of yearbooks purchased. What is the initial value? A) $375\$ 375 B) $25\$ 25 C) $15\$ 15 D) so
4. The table below represents a linear relation. \begin{tabular}{|c|c|} \hline Time (t) & Distance (D) \\ \hline 0 & 34 \\ \hline 1 & 52 \\ \hline 2 & 70 \\ \hline 3 & 88 \\ \hline 4 & 106 \\ \hline \end{tabular}

Which equation represents this relation? A) D=34+18t\mathrm{D}=34+18 \mathrm{t} B) D=18+34t\mathrm{D}=18+34 \mathrm{t} C) D=34tD=34 t D) D=18tD=18 \mathrm{t}

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Problem 2404

السؤال الثاني:
من خلال دراستكم لانواع الاسواق المالية اشرح موقع بورصة فلسطين ضمن هذه الانواع وما هي الادوات المستخدمة في فلسطين مع توضيح مقومات أنشاء بورصة فلسطين واليات عملها بشكل وافي :السؤال الثاني أ- اذا كان راس شركةة ما (10 مليون دينار) و وتم زيادة راس مال الشركاه عن طريق توزيع اسهم مجانيه حتى اصبح ( 14 مليون دينار المطلوب:
احسب السعر القديم للسهم ( سعر الاغلاق السابق ) اذا علمت بان سعر التداول الجديد بعد التوزيي هو ( 7 دينار)
ب- اذا كان لديك 10000 سهم في العام 2023 وتم شراء هذا الاسهم ب 30 دينار وفي العام 2024 وصل سعر السهم الى 50 دينار وفي بداية 2024 بدا سعر السهم بالاتخفاض الى 48 في الشهر الاول وفي الثهر الثاني 47 تم اعطاء امر ايقاف بسعر 44 دينار وفي الثهر الثالث وصل سعر السهم الى 40 دينار المطلوب: تحديد ربح وخسائر المستثمر :ج- عرف المصطلحات التالية CROSS ORDER - أ- ب- نظام ITS

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Problem 2405

16. Write the equation in slope-intercept form of the line that passes through the points (6,10)(-6,-10) and (21,8)(21,8).
17. What is the equation in slope-intercept form of a line that passes through the point (2,4)(2,4) and is perpendicular to the x-axis? A. y=2y=2 C. y=4y=4 B. x=2x=2 D. x=4x=4
18. What is the equation in slope-intercept form of a line that passes through the point (8,14)(8,-14) and is parallel to y=12x4?y=\frac{1}{2} x-4 ? A. y=2x+2y=-2 x+2 C. y=2x4y=-2 x-4 B. y=12x18y=\frac{1}{2} x-18 D. y=12x+2y=\frac{1}{2} x+2
19. Write an equation for the line that is perpendicular to the yy-axis and has the same yy-intercept as the line y=3.6x4.9y=3.6 x-4.9. A. y=4.9y=-4.9 C. y=3.6y=3.6 B. x=3.6x=3.6 D. x=4.9x=-4.9
20. What is the equation of the line that is parallel to 4x2y=12-4 x-2 y=12 and passes through the point (4,1)?(4,1) ? A. y=2x7y=-2 x-7 B. y=2x7y=2 x-7 C. y=2x9y=2 x-9 D. y=12x1y=\frac{1}{2} x-1

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Problem 2406

9 Luis vende sopaipillas a un precio fijo por unidad. Alfredo le compró una docena por $1800\$ 1800, ¿cuál es el costo cc de comprar ss sopaipillas?
A c=150c=150 s B c=1800sc=1800 s C c=1150sc=\frac{1}{150} s D c=11800sc=\frac{1}{1800} s

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Problem 2407

The volume of the cereal box must be 192in33192 \mathrm{in}^{3}{ }^{3}.
Height: (x+10)(x+10) in.
Length: xx in.
Polynomial equation: x3+6x240x=192x^{3}+6 x^{2}-40 x=192
In the context of this problem, which solutions to the polynomial equation can you eliminate because they do not make sense? \checkmark x=8x=-8 \checkmark x=4x=-4 xx x=6x=6 COMPleti What are the dimensions of the cereal box? The length is \square in., the width is \square \square in. Dons
Solutions: x=8,x=4x=-8, x=-4, and x=6x=6

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Problem 2408

Trig Word Problems (Level 1) Score: 0/10 Penalty: 1 off
Question Show Examples
From a hot-air balloon, Adriel measures a 2222^{\circ} angle of depression to a landmark that's 743 feet away, measuring horizontally. What's the balloon's vertical distance above the ground? Round your answer to the nearest hundredth of a foot if necessary.

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Problem 2409

Trig Word Problems (Level 1) Score: 0/10 Penalty: 1 off
Question Show Examples
From the observation deck of a skyscraper, Ian measures a 4848^{\circ} angle of depression to a ship in the harbor below. If the observation deck is 871 feet high, what is the horizontal distance from the base of the skyscraper out to the ship? Round your answer to the nearest hundredth of a foot if necessary.
Answer Attempt 1 out of 2 feet Submit Answer

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Problem 2410

30:90::2:x30: 90:: 2: x

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Problem 2411

4.) Simplify or solve the following equation, round'to two decimal places if needed'(show your work when possible). a.) ln(e4)\ln \left(e^{4}\right) b.) ln(x)=10\ln (x)=10 c.) e3+xe2+x=40e^{3+x} * e^{2+x}=40

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Problem 2412

Solve for yy. 4=3y+7-4=\frac{3}{y+7}
Simplify your answer as much as possible. y=y=

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Problem 2413

A ladder 23 ft long rests against a vertical wall. If the top of the ladder is being pulled up the wall at a rate of 19ft/s19 \mathrm{ft} / \mathrm{s}, at what rate is the bottom of the ladder moving towards the wall when the top of the ladder is 7 ft from the ground?

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Problem 2414

Trig Word Problems (Level 1) Score: 2/102 / 10 Penalty: 1 off
Question Show Examples
From the observation deck of a skyscraper, Lavaughn measures a 4242^{\circ} angle of depression to a ship in the harbor below. If the observation deck is 872 feet high, what is the horizontal distance from the base of the skyscraper out to the ship? Round your answer to the nearest hundredth of a foot if necessary.
Answer Attempt 2 out of 2 968.62 \square feet Submit Answer

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Problem 2415

Find an equation of the hyperbola having foci at (2,152)(2,-1-\sqrt{52}) and (2,1+52)(2,-1+\sqrt{52}) and asymptotes at y=23x73y=\frac{2}{3} x-\frac{7}{3} and y=23x+13y=-\frac{2}{3} x+\frac{1}{3}.

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Problem 2416

The half-life of Palladium-100 is 4 days. After 20 days a sample of Palladium-100 has been reduced to a mass of 4 mg . What was the initial mass (in mg ) of the sample? 128128
What is the mass 4 weeks after the start? 1

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Problem 2417

You pay $1.00\$ 1.00 to play a game in which you roll one fair die. If you roll a 6 on the first roll, you win $5.00\$ 5.00. If you roll a 1 or a 2 , you win $2.00\$ 2.00. If not, you lose your money.
3 Multiple Choice 1 point What is the expected value of this game? \$0.25 \$0.50 -\$0.50 -\$1.00

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Problem 2418

Trig Word Problems (Level 1) Score: 3/10 Penalty: 1 off
Question Show Examples
Bo is flying a kite, holding his hands a distance of 3.5 feet above the ground and letting all the kite's string play out. He measures the angle of elevation from his hand to the kite to be 2929^{\circ}. If the string from the kite to his hand is 110 feet long, how many feet is the kite above the ground? Round your answer to the nearest tenth of a foot if necessary.
Answer Attempt 1 out of 2 \qquad feet Submit Answer

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Problem 2419

```latex \textbf{Question 1:}
Considérons le triangle représenté ci-dessous.
m=40+50+702m=80A=(8040)(807\begin{array}{l} \frac{m=40+50+70}{2} \\ m=80 \\ A=\sqrt{(80-40)(80-7} \end{array}
Au cm2^2 près, quelle est l'aire de ce triangle ?
A) 980 cm2980 \mathrm{~cm}^{2}
B) 1000 cm21000 \mathrm{~cm}^{2}
C) 1090 cm21090 \mathrm{~cm}^{2}
D) 3347 cm23347 \mathrm{~cm}^{2}
\textbf{Question 3:}
Dans le triangle ABCABC illustré ci-contre,
mAC=76 mmABC=90mBAC=37\begin{array}{l} m \overline{AC}=76 \mathrm{~m} \\ m \angle ABC=90^{\circ} \\ m \angle BAC=37^{\circ} \end{array}
Quelle est, au mètre près, la mesure du segment BCBC? ```

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Problem 2420

2x+8x+2=102 x+-8 x+2=-10

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Problem 2421

Find an equation of the hyperbola having foci at (3,145)(3,-1-\sqrt{45}) and (3,1+45)(3,-1+\sqrt{45}) and asymptotes at y=2x7y=2 x-7 and y=2x+5y=-2 x+5.

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Problem 2422

Write the equation in exponential form. log2(8)=3\log _{2}(8)=3

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Problem 2423

1) 7(2+5v)=3v+147(2+5 v)=3 v+14 (14+35v)=3v+(14+35 v)=3 v+

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Problem 2424

The equations of two conics are given below. Choose the correct classification for each, and then provide the requested information. \begin{tabular}{|l|l|} \hline (a) 3x26xy2=0-3 x^{2}-6 x-y-2=0 & (Choose one) \nabla \\ \hline (b) 16x24y232x8y+44=0-16 x^{2}-4 y^{2}-32 x-8 y+44=0 & (Choose one) \boldsymbol{} \\ \hline \end{tabular}

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Problem 2425

What is the slope of the line represented by the equation y=12x+14y=-\frac{1}{2} x+\frac{1}{4} ? 12-\frac{1}{2} 14-\frac{1}{4} 14\frac{1}{4} 12\frac{1}{2}

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Problem 2426

Trig Word Problems (Level 1) Score: 9/10 Penalty: 1 off
Question Show Examples
A boat is heading towards a lighthouse, whose beacon-light is 113 feet above the water. The boat's crew measures the angle of elevation to the beacon, 1111^{\circ}. What is the ship's horizontal distance from the lighthouse (and the shore)? Round your answer to the nearest tenth of a foot if necessary.
Answer Attempt 1 out of 2 \square feet Submit Answer Copyright 92024 DeltaMathicom All Rights Reserved. PrivacyPolicy Tent of Service

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Problem 2427

The curved edge of the door mat below is half an ellipse, a "semi-ellipse". As shown in the figure below, the flat edge of the door mat measures 148 cm and the distance from the center (on the flat edge) to the curved edge is 58 cm . The distance from point pp to the curved edge is 30 cm . Find the distance from pp to the center.
Round your answer to the nearest hundredth. Do not round any intermediate computations. \square cm

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Problem 2428

1 If M=2.1 kgM=2.1 \mathrm{~kg}, what is the tension in string 1 ? a) 91 N b) 47 N c) 40 N d) 62 N (e) 76 N

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Problem 2429

8 The distance between Planet X and the sun that it has a circular orbit with is 9.9×1011 m9.9 \times 10^{\wedge} 11 \mathrm{~m}. For an orbit of 597 days, find the distance traveled.
9 Find the speed at which Planet X travels in m/s\mathrm{m} / \mathrm{s}.

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Problem 2430

0=x2+24x340=x^{2}+24 x-34

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Problem 2431

Exponentes y polinomios Resolver un problema verbal usando una ecuación cuadrática con raices-
La longitud de un rectángulo es 1 ft más que el doble del ancho, y el área del rectángulo es 66ft266 \mathrm{ft}^{2}. Hallar las dimensiones del rectángulo.
Longitud : \square \square \square
Anchura : \square ft

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Problem 2432

In the figure, m1=(5x)m \angle 1=(5 x)^{\circ} and m2=(x6)m \angle 2=(x-6)^{\circ}. (b) Find the degree measure of each angle. m1=m2=\begin{array}{l} m \angle 1=\square^{\circ} \\ m \angle 2=\square^{\circ} \end{array} (a) Write an equation to find xx. Make sure you use an "=" sign in your answer.
Equation: \square
×\times 5

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Problem 2433

Consideremos la recta y=4x9y=4 x-9 Hallar la ecuación de la recta que es paralela a esta recta y atraviesa el punto (2,4)(-2,-4). Hallar la ecuación de la recta que es perpendicular a esta recta y atraviesa el punto (2,4)(-2,-4). Observe que la calculadora gráfica de ALEKS será útil para verificar la respuesta.
Ecuación de recta paralela:
Ecuación de recta perpendicular: \square

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Problem 2434

7. Find the missing measures. \qquad \qquad a=b=c=d=\begin{array}{l} a=\overline{ } \\ b= \\ c= \\ d= \end{array} ?=?=

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Problem 2435

In the figure, m1=(6x)m \angle 1=(6 x)^{\circ} and m2=(x+19)m \angle 2=(x+19)^{\circ}. (a) Write an equation to find XX, Make sure you use an " = " sign in your answer.
Equation: \square 1 2 (b) Find the degree measure of each angle. m1=m2=\begin{array}{l} m \angle 1=\square^{\circ} \\ m \angle 2=\square^{\circ} \end{array}

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Problem 2436

2. Find the required sample size for 95%95 \% confidence level with a margin of error of 4%4 \% and standard deviation =0.35=0.35.

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Problem 2437

Find dydx\frac{d y}{d x} by implicit differentiation, if x2+y2=4x^{2}+y^{2}=4, dydx=\frac{d y}{d x}= \square

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Problem 2438

In FGH,f=200 cm,g=880 cm\triangle \mathrm{FGH}, f=200 \mathrm{~cm}, g=880 \mathrm{~cm} and H=149\angle \mathrm{H}=149^{\circ}. Find the length of hh, to the nearest centimeter.
Answer Attempt 4 out of 100 Submit Answer

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Problem 2439

Utilizar el teorema de Pitágoras y una ecuación cuadrática para hallar las...
El cateto más largo de un triángulo rectángulo es 4 m más largo que el cateto más corto. La hipotenusa es 8 m más larga que el cateto más corto. Hallar las longitudes de los lados del triángulo. \begin{tabular}{|ll|} \hline Longltud del cateto más corto: & m\square \mathrm{m} \\ Longitud del cateto más largo: & m\square \mathrm{m} \\ Longltud de la hipotenusa: & m\square \mathrm{m} \\ \hline \end{tabular}

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Problem 2440

A triangle has interior angle measures of 40,p40^{\circ}, p, and 3p3 p. What is the value of pp ? Write your answer as an integer or as a decimal rounded to the nearest tenth. p=p=\square^{\circ}
Submit

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Problem 2441

5. The three equations provided all show the path of the same paper airplane thrown from the top of a building. State the three key features and explain what each key features tell us about the path of the paper airplane. Context is important! ( hh is height in metres and tt is time in seconds) h=2(t+3)(t7)h=2x2+8x+42h=2(x2)2+50h=-2(t+3)(t-7) \quad h=-2 x^{2}+8 x+42 \quad h=-2(x-2)^{2}+50

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Problem 2442

A store sells cashews for $500\$ 500 per pound and peanuts for $2.00\$ 2.00 per pound. The manager decides to mix 20 pounds of peanuts with some cashews and sell the mixture for $300\$ 300 per pound. How many pounds of cashews should be mixed with the peanuts so that the mixture will produce the same revenue as would selling the nuts separately?
There should be \square pounds of cashews in the mixture (Type an integer or a decimal )

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Problem 2443

11/1 Module 2 Algebra Quiz Assessment ID:2425005731
1. What is the equation in standard form of the line that passes through the point (6,1)(6,-1) and is parallel to the line represented by 8x+3y=158 x+3 y=15 ? A. 8x+3y=458 x+3 y=-45 B. 8x3y=518 x-3 y=-51 C. 8x+3y=458 x+3 y=45 D. 8x3y=518 x-3 y=51

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Problem 2444

37x6=38=4x3^{7 x-6}=3^{8=4 x}

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Problem 2445

Question number 5.
Between 2001 and 2007, the average rate of inflation in Russia was 19\% per year. If a cart of groceries cost \296in2001,whatdiditcostin2007?296 in 2001, what did it cost in 2007? \841 841 $967\$ 967 $633\$ 633 $525\$ 525 None of the above. Question number 6.

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Problem 2446

Find the area of a triangle with C=40.3,B=62.9\mathrm{C}=40.3^{\circ}, \mathrm{B}=62.9^{\circ}, and b=5.63\mathrm{b}=5.63. Round to two decimal places:

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Problem 2447

9(2)=3xx39(-2)=\left|3 x-x^{3}\right|

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Problem 2450

If the value of a commodity decreases at a monthly rate of 1.2%1.2 \%, by what percentage does it decrease in a year? 13.5\%\% 14.1\%\% 14.4\%\% 8.7\%\% None of the above.

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Problem 2451

Frasier ran a lemonade stand at a village fair for 3 days. He spent a total of £15£ 15 to hire the stand. On each of the 3 days, he spent £10£ 10 on ingredients and sold £22£ 22 wortr of lemonade. a) Using the information above, write a calculation for the amount of money that Frasier made in total. b) Use your calculation to work out how much money Frasier made. Give your answer in pounds (£)(£). Watch video

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Problem 2452

A factory manufactures a box such that the width is 5 inches less than twice its height, xx, and the length is 2 inches more than 3 times its height. What is the dimension for the height of volume of 168 cubic inches? (A) 3.5 inches (B) 4 inches (c) 6 inches (D) 10 inches

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Problem 2453

Solve for the roots in simplest form using the quadratic formula: 3x2+15=6x3 x^{2}+15=6 x
Answer Attempt 1 out of 2

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Problem 2454

Solve for yy. 4+7y=534+\frac{7}{y}=\frac{5}{3}
Simplify your answer as much as possible. y=y=

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Problem 2455

Find dydx\frac{d y}{d x} by implicit differentiation. ey=4x8ye^{y}=4 x-8 y
Answer: dydx=\frac{d y}{d x}=

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Problem 2456

1 2
4. Neka cashed a check for $245\$ 245. The teller gave him two $50\$ 50 bills, six $20\$ 20 bills and f$5f \$ 5 bills. Determine the value of ff. 4 5 6 7 8 Sign out Nov 15 8:54 EXTD

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Problem 2457

In 8 , find the length of indicated side(s), d=(x1x2)2+(y1y2)2d=\sqrt{\left(x_{1}-x_{2}\right)^{2}+\left(y_{1}-y_{2}\right)^{2}} and use a protractor to measure the indicated angle(s). Mark congruent angles and sides. If the triangles are congruent write a triangle congruency statement using the appropriate reason as SSS, SAS, ASA, or AAS. 8. BC=B C= \qquad mA=\mathrm{m} \angle \mathrm{A}= \qquad mB=\mathrm{m} \angle \mathrm{B}= \qquad XY=X Y= \qquad mX=\mathrm{m} \angle \mathrm{X}= \qquad in Z=\angle Z= \qquad Congruence Statement: \qquad Reason: \qquad

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Problem 2458

4. m1m \wedge 1 \qquad Reason 5.

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Problem 2459

3. 4+x=25;x=214+x=25 ; \quad x=21 \square
4. The number of blue beads (b) in a bracelet is four times as many as the number of yellow beads (y). Write an equation to represent the number of each type of bead in bracelet with a total of 50 beads. \square \square \square y

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Problem 2460

ABCDEF,AB=10 m,AC=15 m,BC=14 m\triangle A B C \sim \triangle D E F, \overline{A B}=10 \mathrm{~m}, \overline{A C}=15 \mathrm{~m}, \overline{B C}=14 \mathrm{~m} The scale factor is 0.5 . Find the missing lengths.

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Problem 2461

Use the given equivalents, along with dimensional analysis, to convert the given unit to the unit indicated.
41 oz to g 16oz=1lb2000lb=1 T1oz28 g1lb0.45 kg1 T0.9t\begin{aligned} 16 \mathrm{oz} & =1 \mathrm{lb} \\ 2000 \mathrm{lb} & =1 \mathrm{~T} \\ 1 \mathrm{oz} & \approx 28 \mathrm{~g} \\ 1 \mathrm{lb} & \approx 0.45 \mathrm{~kg} \\ 1 \mathrm{~T} & \approx 0.9 \mathrm{t} \end{aligned} 41oz=g41 \mathrm{oz}=\square \mathrm{g}

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Problem 2462

At the rate of 3 grams for 65 cents, how many grams can I buy with $11.70\$ 11.70 ?

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Problem 2463

Use the Fundamental Theorem of Calculus to evaluate the following definite integra 0126dx1x2\int_{0}^{\frac{1}{2}} \frac{6 d x}{\sqrt{1-x^{2}}} 0126dx1x2=\int_{0}^{\frac{1}{2}} \frac{6 d x}{\sqrt{1-x^{2}}}=\square (Type an exact answer.)

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Problem 2464

Previous Problem Problem List Next Problem
NYA Module 5: Problem 4 (1 point)
Two carts, A and B , are connected by a rope 39 ft long that passes over a pulley PP. The point QQ is on the floor 12 ft directly beneath PP and between the carts. Cart A is being pulled away from QQ at a speed of 2ft/s2 \mathrm{ft} / \mathrm{s}. How fast is cart B moving toward QQ at the instant when cart A is 5 ft from QQ ? \square ft/s\mathrm{ft} / \mathrm{s} Preview My Answers Submit Answers

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Problem 2465

Calculate the compound interest earned on an account with an initial investment of $1200\$ 1200 at 3.4%3.4 \% compounded semi-annually over 4 years. Show your formula.

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Problem 2466

Use PMT =P(rn)[1(1+rn)nt]2=\frac{P\left(\frac{r}{n}\right)}{\left[1-\left(1+\frac{r}{n}\right)^{-n t}\right]^{2}} to determine the regular payment amount, rounded to the nearest dollar. Your credit card has a balance of $3400\$ 3400 and an annual interest rate of 12%12 \%. YY decide to pay off the balance over three years. If there are no further purchases charged to the card, a. How much must you pay each month? b. How much total interest will you pay? a. The monthly payments are approximately $\$ \square (Do not round until the final answer. Then round to the nearest dollar as needed.)

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Problem 2467

6(x9)=366(x-9)=-36

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Problem 2468

16) Solve the equation 2x+3=5x+1\frac{-2}{x+3}=\frac{5}{x+1}

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Problem 2469

m = #3 -5-4-3-2-172345 #4 A pilot takes a taxi to the airport. The taxi driver charges a 2.50initialchargeplus2.50 initial charge plus 2.65 per mile. Write an equation to find y, the total cost of the trip, if x is the number of miles for the trip. m= b = Equation: y= #5 m = b = Equation: y #6 A pool already contains 189 gallons of water. The pool begins to leak at a rate of 8 gallons per minute. Write an equation that shows y, the total number of gallons in the pool x minutes after Bob began to fill it. 8 + 2 -10-8-6-4-2 2 4 5 8 10 4 8 Equation: y = b = m = Equation: y = b =

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Problem 2470

Solve for all values of x . (18)2x24=(12)2x2+4x\left(\frac{1}{8}\right)^{-2 x-24}=\left(\frac{1}{2}\right)^{-2 x^{2}+4 x}

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Problem 2471

Problem 4 Consider the successive gas phase reactions: 3 A( g)2 B( g)B( g)+C( g)D( g)\begin{aligned} 3 \mathrm{~A}(\mathrm{~g}) & \rightleftharpoons 2 \mathrm{~B}(\mathrm{~g}) \\ \mathrm{B}(\mathrm{~g})+\mathrm{C}(\mathrm{~g}) & \rightleftharpoons \mathrm{D}(\mathrm{~g}) \end{aligned}
The equilibrium constants for these reactions at 500. K are Kp,1=6.0932K_{p, 1}=6.0932 and Kc,2=10.0K_{c, 2}=10.0. a) What is the value of KcK_{c} for the overall reaction at 500.K500 . \mathrm{K} ? b) What is the value of KpK_{p} for the overall reaction at 500.K500 . \mathrm{K} ?

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Problem 2472

A repair person charges a travel fee to visit a home and an hourly fee for the time spent fixing a leak. A repair that takes 2 h costs $100\$ 100. A repair that takes 6 h costs $260\$ 260.
Write an equation to represent the total cost of a repair, yy, as a function of the number of hours spent fixing a leak, xx.

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Problem 2473

Ryan currentty has $50\$ 50 in savings. He had been saving $8\$ 8 each week. Yesterday he spent $142\$ 142 of the savings. For how many weeks had he been saving? (a) Write an equation that could be used to answer the question above. First, choose the appropriate form. Then, fill in the blanks with the numbers 50,8 , and 142 . Let ww represent the number of weeks. w+=\square w+\square= \square
\square w - \square \square J == (b) Solve the equation in part (a) to find the number of weeks. w=w=\square

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Problem 2474

A falcon dives toward the ground with a constant velocity of 5.10 m/s5.10 \mathrm{~m} / \mathrm{s} at 57.057.0^{\circ} below the horizontal. The Sun is directly overhead and casts a shadow of the falcon directly below it. What is the speed (in m/s\mathrm{m} / \mathrm{s} ) of its shadow on level ground? \square m/s\mathrm{m} / \mathrm{s} Need Help? Read It

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Problem 2475

Solve for kk. 10k4=3k+3\frac{-10}{k-4}=\frac{-3}{k+3}
There may be 1 or 2 solutions. k=k= \square or k=k= \square Submit

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Problem 2476

Using Local Linearity Linearization For each differential equation, let y=f(x)y=f(x) be the particular solution to the differential equation with the given aitial condition. 1.) dydx=(5y)sinx\frac{d y}{d x}=(5-y) \sin x and f(π2)=2f\left(\frac{\pi}{2}\right)=2. a. Write an equation for the line tangent to the graph of ff at the point (π2,2)\left(\frac{\pi}{2}, 2\right) b. Use the tangent line to approximate f(1.5)f(1.5). 2.) dydx=4xy\frac{d y}{d x}=-\frac{4 x}{y} and f(1)=3f(1)=3. a. Write an equation for the line tangent to the graph of ff at the point (1,3)(1,3) b. Use the tangent line to approximate f(1.1)f(1.1).
Answer the questions for each function listed. 3.) f(x)=2cosx+1f(x)=2 \cos x+1 is concave down on [0,π2]\left[0, \frac{\pi}{2}\right]. 4.) f(x)=e2xx+1f(x)=\frac{e^{2 x}}{x+1} is concave up on x>1x>-1. a. What is the estimate for f(3)f(3) using the local c. What is the estimate for f(0.1)f(0.1) using the linear approximation for ff at x=π2x=\frac{\pi}{2} ? Give an local linear approximation for ff at x=0x=0 ? exact answer. b. Is it an underestimate or overestimate? d. Is it an underestimate or overestimate? Explain. Explain.

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Problem 2477

Question Watch Video Show Examples
Graph the equation y=x212x+32y=x^{2}-12 x+32 on the accompanying set of axes. You must plot 5 points including the roots and the vertex.
Click to plot points. Click points to delete them. Sign out 1 Nov 15 12:57

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Problem 2478

Q4: The figure illustrates an electromagnetic wave at t=0t=0. Which equation correctly describes the wave? a) Bz=Bsin(kx+ωt)B_{z}=B \sin (k x+\omega t) b) By=B0cos(kzωt)B_{y}=B_{0} \cos (k z-\omega t) c) Bz=B0sin(kyωt)B_{z}=B_{0} \sin (k y-\omega t) d) By=B0cos(kx+ωt)B_{y}=B_{0} \cos (k x+\omega t) e) By=B0sin(kzωt)B_{y}=B_{0} \sin (k z-\omega t) f) Bz=B0cos(ky+ωt)B_{z}=B_{0} \cos (k y+\omega t)
Q5: An eye doctor wishes to prescribe contact lenses for a person who cannot focus clearly on objects more

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Problem 2479

6. 7b242b+63=07 b^{2}-42 b+63=0

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Problem 2480

Question 17
Find the coordinates of the missing endpoint if BB is the midpoint of AC\overline{A C}. A(1,7),B(3,1)A(1,7), B(-3,1)
Cl \square \square

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Problem 2481

3. a) logx+log(x4)=1\log x+\log (x-4)=1

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Problem 2482

Three polynomials are factored below, but some coefficients and constants are missing. A d are integers.  1. x2+2x8=(ax+b)(cx+d)\text { 1. } x^{2}+2 x-8=(a x+b)(c x+d)
2. 2x3+2x224x=2x(ax+b)(cx+d)2 x^{3}+2 x^{2}-24 x=2 x(a x+b)(c x+d)
3. 6x215x9=3(ax+b)(cx+d)6 x^{2}-15 x-9=3(a x+b)(c x+d)

Fill in the table with the missing values of a,b,ca, b, c, and dd. a b c d
1. 1 \begin{tabular}{|l|l|l|l|} \hline 1.2 .2 & 1 & \\ \hline 1 & & -2 & 4 \\ \hline 3. & 1 & 1 & -3 \\ \hline & & & \\ \hline \end{tabular}

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Problem 2483

Suppose MM is the midpoint of FG\overline{F G}. Find the missing measure. FG=11x15.6,MG=10.9x=\begin{array}{l} F G=11 x-15.6, M G=10.9 \\ x=\square \end{array}

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Problem 2484

What is m1m \angle 1 ? m1=m \angle 1= \square Submit

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Problem 2485

Solve for x.(5x+6)(3x6)=0x .(5 x+6)(3 x-6)=0 x=65x=\frac{6}{5} or x=2x=-2 x=0x=0 x=65x=\frac{-6}{5} or x=2x=2 x=6x=-6 or x=6x=6

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Problem 2486

8. A set of stepladders has legs 150 centimetres and 140 centimetres long.
When the stepladder is fully open, the angle between the longer leg and the ground is 6666^{\circ}.
Calculate xtx^{t}, the size of the angle between the shorter leg and the ground.

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Problem 2487

Match each equation on the left with its solution on the right. No answer on the right will be used twice. 2x+3(x2)=6(x+1)+x2x+3(x2)=6(x1)x2x+3(x2)=6(x1)+x2x+3(x1)=6(x1)x\begin{array}{l} 2 x+3(x-2)=6(x+1)+x \\ 2 x+3(x-2)=6(x-1)-x \\ 2 x+3(x-2)=6(x-1)+x \\ 2 x+3(x-1)=6(x-1)-x \end{array} x=0x=0
No solution x=6x=-6
All real numbers
Clear Click and hold an item in one column, then drag it to the matching item in the other column. Be sure your target before releasing. The target will highlight or the cursor will change. Need help? Watch this video.

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Problem 2488

Find the base of a parallelogram with an area (A)(A) of 72 square inches and height (h)(h) of 4 inches. Use the formula for the area of a parallelogram, A=bhA=b h. 68 inches 288 inches 118\frac{1}{18} inch 18 inches

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Problem 2489

The phone company Splint has a monthly cellular plan where a customer pays a flat monthly fee and then a certain amount of money per minute used on the phone. If a customer uses 360 minutes, the monthly cost will be $183\$ 183. If the customer uses 800 minutes, the monthly cost will be $381\$ 381. A) Find an equation in the form y=mx+by=m x+b, where xx is the number of monthly minutes used and yy is the total monthly of the Splint plan.
Answer: y=y= \square B) Use your equation to find the total monthly cost if 910 minutes are used.
Answer: If 910 minutes are used, the total cost will be \square dollars.

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Problem 2490

A voltage VV across a resistance RR generates a current I=V/RI=V / R. If a constant voltage of 8 volts is put across a resistance that is increasing at a rate of 0.1 ohms per second when the resistance is 7 ohms, at what rate is the current changing? (Give units..) rate == \square

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Problem 2491

The following equation is given. Complete parts (a)-(c). x33x24x+12=0x^{3}-3 x^{2}-4 x+12=0 a. List all rational roots that are possible according to the Rational Zero Theorem. ±1,±2,±3,±4,±6,±12\pm 1, \pm 2, \pm 3, \pm 4, \pm 6, \pm 12 (Use a comma to separate answers as needed.) b. Use synthetic division to test several possible rational roots in order to identify one actual root.
One rational root of the given equation is \square (Simplify your answer.)

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Problem 2492

DEFJKL\triangle D E F \sim \triangle J K L. What is EFE F ? (A) 4.2 (B) 3.6 (C) 2.0 (D) 0.9

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Problem 2493

What is the surface area of this cone? Use π3.14\pi \approx 3.14 and round your answer to the nearest hundredth. \square square millimeters

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Problem 2494

Find all roots of the polynomial equation. Use the Rational Zero Theorem, Descartes's Rule of Signs, and possibly the graph of the polynomial function shown by a graphing utility as an aid in obtaining the first root. 2x411x3+27x266x+90=02 x^{4}-11 x^{3}+27 x^{2}-66 x+90=0
The solution set of the equation 2x411x3+27x266x+90=02 x^{4}-11 x^{3}+27 x^{2}-66 x+90=0 is \square (Use a comma to separate answers as needed. Type an exact answer, uling radicals and ii as needed. Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)

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Problem 2495

y=2x+4y=-2 x+4 (3,2)(3,-2) ph this system of linear equations to determine a reasonable estimate of the (6,8)(-6,-8) ution. (2,12)\left(2,-\frac{1}{2}\right) (2,3)(-2,3) Clear All

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Problem 2496

3 Fill in the Blank 5 points 4x2+10x+14=0-4 x^{2}+10 x+14=0
Write the factored form of the quadratic expression. type you answer... type your answer... type your Solve for xx. x=\mathrm{x}= type your answer... type your answer...

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Problem 2497

6. Determine whether the equations below have one solution, no solution, or infinitely many solutions. \begin{tabular}{|l|c|c|c|} \hline & One solution & Not Solution & \begin{tabular}{c} Infinitely Many \\ Solutions \end{tabular} \\ \hline10y+18=3(5y7)+5y-10 y+18=-3(5 y-7)+5 y & \square & \square & \square \\ \hline 3(a+2)2a=17(7a+42)3(a+2)-2 a=\frac{1}{7}(-7 a+42) & \square & \square & \square \\ \hline4y3=13(12y9)8y-4 y-3=\frac{1}{3}(12 y-9)-8 y & \square & \square & \square \\ \hline \end{tabular}

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Problem 2498

27,28,29,30,31,32,33,34,35\underline{27}, \underline{28}, \underline{29}, \underline{30}, \underline{31}, \underline{32}, \underline{33}, \underline{34}, \underline{35}, and 36\underline{36} Use implicit differentiation to find an equation of the tangent line the curve at the given point.
27. yesinx=xcosy,(0,0)y e^{\sin x}=x \cos y,(0,0)

Answer

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Problem 2499

What is the yy-intercept of the line with the equation below? y+17=122xy+17=12-2 x

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Problem 2500

What is the vertex of the following quadratic equation? y=x2+8xy=x^{2}+8 x (4,16)(4,-16) (4,16)(4,16) (4,16)(-4,-16) (-4.16) Desk 1 SAMSUNG

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