20 total marbles....7 are green
probability on first draw is 7/20...and since the marble was not replaced, the probability on the second draw is 6/19. And since they cant happen at the same time, we multiply
7/20 * 6/19 = 42/380 which reduces to 21/190
127.5° is the answer please mark brainliest
Answer:
n = 5
Step-by-step explanation:
1) Use power rule:
.

2) Cancel the base of z on both sides.
2n = 10
3) Divide both sides by 2.

4) Simplify
to 5.
n = 5
Answer:
7
Step-by-step explanation:
you would chose 7 because it has more and less value