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zzz [600]
3 years ago
14

Find a formula for a function of the form y=bxe^−ax with local maximum at (1,2.2073). y=________

Mathematics
1 answer:
Mumz [18]3 years ago
5 0
From the given values

2.2073 = b*1*e^-a

and y' = be^-a(-a + 1) = 0   giving a = 1

from first equation  2.2073 = b * e^-1 so b = 2.2073e =  6

so our formula is  y = 6x e^-x
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Find cos 0.<br> 15<br> 8<br> Kansnakka
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Answer:

The answer to this is A.) 8/17

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The length of a rectangle is 1 ft less than double the width, and the area of the rectangle is 21 ft^2. Find the dimensions of t
ICE Princess25 [194]

Let the width be w, then length = 2w - 1

Area = length times width = w(2w - 1) = 21.

Thus, 2w^2 - w = 21 or 2w^2 - w - 21 = 0

Solving the quadratic equation gives that w = 3.5.

Therefore, width is 3.5 ft and length is 2(3.5) - 1 = 6 ft.

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3 years ago
Complete the steps to solve the equation. 9 – 4x = 2x 1. Addition property of equality: 9 = 6x 2. Division property of equality:
exis [7]

x = 3/2

Step-by-step explanation:

Given equation is:

9 - 4x = 2x

As we have to solve for x, x will be isolated on one side of the equation

So,

<u>1. Addition property of equality </u>

4x will be added on both sides

9-4x+4x=2x+4x\\9 = 6x

<u>2. Division property of Equality</u>

Dividing both sides by 6

\frac{6x}{6}=\frac{9}{6}\\x = \frac{3}{2}

Hence,

x = 3/2

Keywords: Linear equation, Variables

Learn more about linear equations at:

  • brainly.com/question/2150928
  • brainly.com/question/2154850

#LearnwithBrainly

4 0
3 years ago
Read 2 more answers
Andrea bought tacos from a food truck and left a 2 5 % 25%25, percent tip of $ 2 . 0 0 $2.00dollar sign, 2, point, 00. What was
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Let us say the original price of taco before tip was x dollars.

Percentage of tip given =25 %

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Now we can say that 25 % of total amount = 2 dollars.

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Answer : The original price of tacos before tip was $8.

5 0
3 years ago
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Simplify this equation<br> -5x+7&gt;22
Lana71 [14]

Answer:

<h2>x < - 3</h2>

Step-by-step explanation:

- 5x + 7 > 22

Move 7 to the other side of the inequality

- 5x > 22 - 7 \\  - 5x > 15

Divide both sides by - 5

\frac{ - 5x}{5}  >  -  \frac{15}{5}  \\ x >  - 3

Reverse the sign

We have the final answer as

<h3>x < - 3</h3>

Hope this helps you

4 0
2 years ago
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