Answer ⇒ 
Step-by-step explanation:

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Answer:

Step-by-step explanation:
Use formulas for the volumes:

1. When r=1,

2. When r=2,

3. When r=3,

4. When r=4,

5. When r=5,

Note that for all r,

Answer:
8/10
Step-by-step explanation: there are two white marbles and you want to know the probability of you not getting white so just subtract the white from the rest and put the rest of the marbles over ten
Hello!
We must use a certain formula to calculate the surface area of a rectangular prism. The formula is:
A = 2 (wl + hl + hw)
Substitute:
A = 2(4 × 5) + (2 × 5) + (2 × 4)
A = 2(20 + 10 + 8)
A = 76 cm squared
ANSWER:
The surface area of the right rectangular prism is 76 centimetres squared.