C = πd ( in terms of the diameter ), C = 2πr ( in terms of the radius )
Answer:
P(blue) = 3/7
So '7' belongs in the box
Step-by-step explanation:
There are 14 total marbles, 6 of which are blue. The probability of pulling a blue marble out of the bag is
P(blue) = 6/14, which reduces to 3/7
I think the coefficient is the 12, before the variable