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3 years ago

I don't understand this

Mathematics

1 answer:

choli [55]3 years ago

7 0

A. i not sure.

b. 1,875 you have to subtract the numbers on the right hand side of table.
c. m divided by h = 1,250
d. 3 hours
e. 7,443.

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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

The area of a triangular Block is 100 square inches. If the base of the triangle is twice the height,how long are the base and t

timurjin [86]

Area = 1/2 base x height
Area = 1/2 (2 x height) x height
Area = height x height
Area = height^2
100 = height^2
height = SquareRoot(100)
Height = 10
Base = 2 x height = 2 x 10 = 20

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3 years ago

Troy’s canoe is 18 feet long. Ariel’s canoe is the length of Troy’s canoe.

tankabanditka [31]

Well the answer i think is going to be 18

3 0

4 years ago

Read 2 more answers

1 7/8+1/9= A.0 B.1 C.2 D.2 1/2

vichka [17]

Answer

the answer would be C

Step-by-step explanation:

6 0

3 years ago

Bruno noticed today’s gasoline price at the local convenience store was advertised as $3.40 per gallon. This price is 15% above

Lisa [10]

Answer:

Last year’s price = $2.96

Step-by-step explanation:

Given:

Current price of gasoline = $3.40

Higher rate = 15%

Find:

Last year’s price

Computation:

Last year’s price = Current price of gasoline [100 / (100 + 15)]

Last year’s price = Current price of gasoline [100 / (115)]

Last year’s price = $3.40 [100 / (115)]

Last year’s price = 2.95652

Last year’s price = $2.96

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4 years ago