Answer:
150.72
Step-by-step explanation:
2 × 3.14 × (2 × 2) + 2 × 3.14 × 2 × 10
Answer:
P (black) = 2/7
Step-by-step explanation:
We need to know the total amount of marbles.
2 red + 3 green + 2 black = 7 marbles
P ( black) = number of black marbles / total marbles
= 2 /7
N=3.8
Steps:
Add 1.5 to both sides.
Combine like terms
Add .2 to both sides
Combine like terms
divide .5 on both sides
The answer is 16/21 because it is equivalent to 32/42
