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son4ous [18]
3 years ago
6

(WILL GIVE BRAINLIEST) I NEED HELP ASAP!!!

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
4 0

Answer:

which ones do you need answered? all of them? want to help

Step-by-step explanation:

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What is the maximum height of of Anna's golf ball? The equation is y=x−0.04x2.
elena-s [515]

Given:

The height of a golf ball is represented by the equation:

y=x-0.04x^2

To find:

The maximum height of of Anna's golf ball.

Solution:

We have,

y=x-0.04x^2

Differentiate with respect to x.

y'=1-0.04(2x)

y'=1-0.08x

For critical values, y'=0.

1-0.08x=0

-0.08x=-1

x=\dfrac{-1}{-0.08}

x=12.5

Differentiate y' with respect to x.

y''=(0)-0.08(1)

y''=-0.08

Since double derivative is negative, the function is maximum at  x=12.5.

Substitute x=12.5 in the given equation to get the maximum height.

y=(12.5)-0.04(12.5)^2

y=12.5-0.04(156.25)

y=12.5-6.25

y=6.25

Therefore, the maximum height of of Anna's golf ball is 6.25 units.

7 0
3 years ago
Can anyone help me with this please
tigry1 [53]
It’s b here is proof of what i got
4 0
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Write an exponential growth function to model the situation. A population of 422,000 increases by 12% each year.
Naya [18.7K]
This is just like working with money in a bank account
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If the population is 422,000 today, and
' n ' is the number of years after today,
then

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3 years ago
What is the answer of |y-2|>8
Sonja [21]

Answer:

y<-6 and y>10

Step-by-step explanation:

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3 years ago
What is the equation of the line that is parallel to the given line and passes through the point (-3, 2)?
zimovet [89]
The answer is D. 4x + 3y = -6
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7 0
3 years ago
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