A bag contains blue and pink balls. There are 8 more blue balls than pink balls. Identify the expression that represents the pro
2 answers:
Answer:
0.212
Step-by-step explanation:
Thinking process:
Let the b = the original blue balls in the bag
and p = the original number of pink balls in the bag
Thus,
the number of blue balls is more than pik balls, therefore:
b = 8 + p
and p = 5
therefore, b = 8 + 5
= 13
The total number of balls = b + p
= 5 + 13
= 18
Probability of person picking a blue ball, P(b) =
The probability that a person picks a pink ball without replacement = 18 - 1
= 17
=
The probability that a person will pick a blue ball and pick ball without replacement =
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Answer:
see below
Step-by-step explanation:
If suffices to look at the last term. It must simplify to 4/(3w²), so the exponents of z must match in numerator and denominator, and the ratio of constants must reduce to 4/3.
The exponents of z have the right values in choices B and D, but the ratio of constants only matches in choice D. Looking at the rest of choice D, we see that we can factor 6w²z² from both numerator and denominator, then factor 2 from the remaining numerator to make it match the desired form.
