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2 years ago

12

Ty borrowed $500 from his parents.The graph shows how much he owes them each month if he pays back a certain amount each amount

each month. How long will it take Ty to pay back his parents?

1 answer:

Ganezh [65]2 years ago

6 0

If he's paying $50 each month 500/50=10 so it'll take him 10 months

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To find the number of perfume bottles that are made of crystal, multiply 99 by 2/3.

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99/3=33
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2 years ago

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2 years ago

Question 12 (1 point) Given P(A) 0.34, P(A and B) 0.27, P(A or B) 0.44, what is P(B)? Answer in decimal form. Round to 2 decimal

Tema [17]

Answer: The required probability of event B is P(B) = 0.37.

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We are to find the probability of event B, P(B) = ?

From the laws of probability, we have

$P(A\cup B)=P(A)+P(B)-P(A\cap B)\\\\\Rightarrow 0.44=0.34+P(B)-0.27\\\\\Rightarrow 0.44=0.07+P(B)\\\\\Rightarrow P(B)=0.44-0.07\\\\\Rightarrow P(B)=0.37.$

Thus, the required probability of event B is P(B) = 0.37.

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2 years ago