Answer:
1,2
Step-by-step explanation:
Answer:
Step-by-step explanation:
x+x+9=65
2x=56
x=28
28,37
Answer:
1.8................................
Step-by-step explanation:
Answer:
66.67% probability of selecting a black marble from the bag.
Step-by-step explanation:
Initially there are 16 marbles, 10 of which are black and 6 of which are red.
A red marble is drawn and not put back. So now there are 15 marbles, of which 10 are black.
So there is a 10/15 = 2/3 = 0.666% 7 = 66.67% probability of selecting a black marble from the bag.
Answer:
<h2>use the required formulas please !</h2>
