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3 years ago

The volume of a cube with side x is calculated by

Mathematics

2 answers:

Sphinxa [80]3 years ago

6 0

Answer:

${x}^{3}$

Step-by-step explanation:

$volume \: \: \: of \: \: \: a \: \: cube \\ = whl \\ = x \times x \times x \\ = {x}^{3}$

hope this helps

brainliest appreciated

good luck! have a nice day!

andrew-mc [135]3 years ago

5 0

Answer:

x^3

Step-by-step explanation:

Volume = side * side * side

and side = x (given)

= x * x * x

= x^3

Hope this helps, and please mark me brainliest if it does!

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A pool has some initial amount of water in it. Then it starts being filled so the water level rises at a rate of 6 cm per minute

alexira [117]

Answer:

Step-by-step explanation:

I think the question below is the one you wanted to ask:

<em>A pool has some initial amount of water in it. Then it starts being filled so the water level rises at a rate of 6 centimeters per minute. After 20 minutes, the water level is 220 centimeters </em>

<em>Graph the pool's water level (in centimeters) as a function of time (in minutes).</em>

Here is my answer:

To draw the linear line, we need to identify the equation that modles this situation. As we know the water level rises at a rate of 6 cm per minute which mean the slope m = 6

The standard form is: y = mx + b <=> y = 6x + b

After 20min the water level is 220 cm

<=> 220 = 6(20) +b

<=> b = 100

So your equation is : y = 6x + 100 and the initial amount of water in it is 100

Please have a look at the attached photo