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3 years ago

10

Calvin is 3 years younger than Robert. Which expression below represents how old Calvin is if Robert is y years old? A. y – 3 B.

y + 3 C. 3 – y D. 3 + y

1 answer:

Dmitry [639]3 years ago

6 0

Answer:

A Y-3

Step-by-step explanation:

We know Robert is Y years old and Calvin is 3 years younger. Y-3. For example, Robert is 20, then Calvin would have to be 17. Y=20. 20-3 = 17

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$V_1=\frac{4}{3}\pi R^3\\\\R=32cm\\\\V_1=\frac{4}{3}\pi\cdot32^3=\frac{131072}{3}\pi\ (cm^3)\\\\V_2=V_1:64\\\\V_2=\frac{131072}{64}\pi:64=\frac{131072}{3}\pi\cdot\frac{1}{64}=\frac{2048}{3}\pi\ (cm^3)\\\\r=?\\\\V_2=\frac{4}{3}\pi r^3$

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