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True [87]
3 years ago
11

Suppose 5 quarts of a solution that is15% antifreeze is mixed with quarts 3 of a solution that is antifreeze 65% . Answer the qu

estions below.
Mathematics
1 answer:
dem82 [27]3 years ago
3 0

1. .35(15) + .72(5) = 8.85

2.8.85/(15 + 5) = 0.4425 = 44.25%Answer:

Step-by-step explanation:

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At the mall, buying a pair of shoes and buying a book are independent events.The probability that a shopper buys shoes is 0.20.
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Answer: Probability that a shopper buys shoes and a book is 0.02.

Step-by-step explanation:

Since we have given that

Event A : Buying a pair of shoes

Event B:  Buying a book

Since A and B are independent events.

Probability that a shopper buys shoes i.e.

P(A) = 0.20

Probability that a shopper buys a book i.e.

P(B)=0.10

So, we need to find the probability that a shopper buys shoes and a book is given by

P(A\ and\ B)=P(A\cap B)=P(A).P(B)\\\\P(A\cap B)=0.20\times 0.10\\\\P(A\cap B)=0.02

Hence, Probability that a shopper buys shoes and a book is 0.02.

3 0
3 years ago
I need help on this question
tatuchka [14]
Ax + b = r
subtract ax from both sides:-
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7 0
3 years ago
Eight cards are marked 3, 4, 5, 6, 7, 8, 9, and 10 such that each card has exactly one of these numbers. A card is picked withou
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Answer:

5/8.

Step-by-step explanation:

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