Answer:
The total amount of water needed is 540 cubic inches.
Step-by-step explanation:
A cubic prism has three dimension. Lenght l, width w and height h.
It's volume is:

In this question:

Dimensions in inches, so the volume will be in cubic inches.

The volume is 600 cubic inches.
What is the total amount of water needed, to the nearest cubic inch, to fill 90% of the aquarium with water?
This is 90% of 600. So
0.9*600 = 540
The total amount of water needed is 540 cubic inches.
Answer:
<em>x⁴-3x³+x²-4</em>
Step-by-step explanation:
<em>I know cuz i worked it out, and it's really hard to explain, so just trust me.</em>
4 = 3 x 12 four is 3 times as many 12
Answer:
y = 4
Step-by-step explanation:
Since this is an equilateral triangle, all the sides are equal.
7y + 5 = 9y - 3
5 + 3 = 9y - 7y
2y = 8
y = 8 ÷ 2
y = 4
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