Elena has 80 unit cubes. what is the volume of the largest cube she can build with them?

3^3 = 27

4^3 = 64

5^3 = 125

The largest cube has volume 64 cubic units, and the sides are 4 units long.

The largest cube Elena can build is of side having a volume of .

The volume of a cube is equals to the length of the side raised to the power of 3. Mathematically, .

According to the question, Elena has 80 unit cubes.

So,

For

For

For

For

For

Hence, the largest cube Elena can build is of side having a volume of .

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50=33x+22

step-by-step explanation:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

answer:

f(5/2) = 10/3

i hope this you!