Helppp pleaseee asap :((((((
1 answer:
We are given the following:
Simplify the left side of the equation by using the distributive property. After you distribute, you end up with:
Combine like terms:
Subtract 7 from both sides to cancel the +7 on the left. When you do that, you end up with:
Divide both sides by 7 to isolate x.
Your final answer should be:
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Answer:
The carnival is losing (on average) $0.15 on each play
Step-by-step explanation:
To find out how much the carnival wins or looses in each play one subtract the expected value (EV) from each play from the amount charged by the carnival for each play ($0.55). If the expected value is higher than what the carnival charges, the carnival is losing money.
Expected is the sum of the payouts of each bet multiplied by its likelihood:
Since the expected value is higher than $0.55, the carnival is losing money, on average, on each play:
The carnival is losing (on average) $0.15 on each play
Answer: There are 104 silvery minnow population in the Rio Grande River.
Step-by-step explanation:
Since we have given that
Number of tagged silvery minnows = 54
Number of captured silvery minnows = 62
It includes 12 tagged silvery minnows.
So, Number of silvery minnows without tags = 62 -12 =50
So, Good estimate of the silvery minnow population in the Rio Grande River would be
Hence, there are 104 silvery minnow population in the Rio Grande River.