Answer:
Step-by-step explanation:
Given
Required
Probability of selecting 2 orange marbles
The total number of marbles is:
The probability that the first selection is orange is:
Because it is a selection without replacement, the number of orange marbles and the total number of marbles would decrease by 1, respectively.
So, the probability that the selection is orange is:
The required probability is:
Answer:
7l=2l+r
Step-by-Step explanation:
Answer:
42/55
Step-by-step explanation:
6/5 times 7/11 = 42/55
Answer: rx-sx= -2x^2
rx+sx=4x^2+8x
(r)(s)=3x^2+16x+16
Step-by-step explanation: Hopefully this helps! :)