4 years ago

PLEASE HELP! ON A TIMED TEST!

Mathematics

1 answer:

kupik [55]4 years ago

4 0

Answer:

it would be D

Step-by-step explanation:

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An exercise ball contains 4000 cubic inches of air when fully inflated. Write and graph a cubic function to model this situation

juin [17]

Answer:

r = 9.8475 in

Step-by-step explanation:

We assume that the ball is spherical.

The volume of a spherical ball is:

$V = \frac{4}{3}\pi r ^ 3$

We know that:

$V = 4000in ^ 3\\4000 = \frac{4}{3}\pi r ^ 3$

Then

$r ^ 3 = \frac{3*4000}{4(\pi)}\\\\r = \sqrt[3]{\frac{3*4000}{4(\pi)}}\\\\r = 9.8475in$

Below is the graph of the cubic function

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3 years ago

Solve x^2=23. Use a radical sign in each answer.

NeTakaya

work shown in image.

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3 years ago

The midpoint of the line segment at (1,7) and (5,5) is A) (3,6) B) (2,6) C) (3,1) D) (2,1)

hammer [34]

Answer:

A) (3,6)

Step-by-step explanation:

Let M be the midpoint of the line segment at (1,7) and (5,5). Then:

$\mathsf{M\left(\dfrac{1+5}{2},\dfrac{7+5}{2}\right)}=\\=\mathsf{M\left(\dfrac{6}{2},\dfrac{12}{2}\right)}=\\=\mathsf{M\left(3,\,6\right)}$

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4 years ago

How do you do do y=3/4x

Juli2301 [7.4K]

Answer:

you would move up 3 spaces on the y-axis and 4 to the right on the x-axis

Step-by-step explanation:

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3 years ago

Is this the answer 3 times 3/5

nignag [31]

No. It's not the answer.

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3 years ago

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