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3 years ago

A cheetah’s distance traveled varies directly with the amount of time it runs. The cheetah travels 90 m in 2.5 s.

Mathematics

1 answer:

Maksim231197 [3]3 years ago

8 0

In 4 seconds the cheetah will run 144m

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16 - x = -2 solve for x

poizon [28]

Answer:

16 - x = -2

16 + 2 = x

x = 18

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2 years ago

Please hurry I need this fast

erastovalidia [21]

I think it’s 20

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3 years ago

Which expression is equivalent to 7z + 7z?

Ierofanga [76]

Answer:

$14z$

Step-by-step explanation:

Since these are like-terms, they can be added together.

7z + 7z = 14z

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2 years ago

If v varies directly as w, and v=24 when w= 8, find the equation that relates v and w

Zigmanuir [339]

Answer:

v=3w

Step-by-step explanation:

v∝w

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equation connecting v and w is

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3 years ago

The profit from a business is

GuDViN [60]

First of all we will understand the question!!

The question is saying that you are given a function and you have to find the value of x which will give the maximum profit... Lets solve it by finding the extrema using the vertex

 $\rm \: p(x) = - 5 {x}^{2} + 30x + 8$ 

Identify the coefficients a and b of the quadratic function

 $\rm \: p(x) = { - 5x}^{2} + 30x + 8 \\ \rm \: a = - 5 \: and \: b \: = 30$ 

Since a<0, the function has the maximum value at x, calculated by substituting a and b into x=-b/2a

$\rm \: x = \frac{30}{ 2 \times (- 5)}$

Solve the equation for x

$\rm \: x = 3$

The maximum of the quadratic function is at x=3

3 0

1 year ago