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3 years ago

11

A bag has 10 marbles and 4 are black. Joseph picks 2 marbles without replacing the first. What is the probability that both are

black?

1 answer:

Crank3 years ago

6 0

If there are 10 marbles in total then the probability is 2/10

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Researchers estimate that 15 out of every 25 customers at a store make purchases with a credit card. If the store has 600 custom

monitta

Answer:

360

Step-by-step explanation:

Number of customers who make purchases with a credit card

=15 out of every 25= $\frac{15}{25}=\frac{3}{5}$

The fraction 3/5 represents the part of the customer that makes purchases with credit cards.

Therefore if there are 600 customers tomorrow, 3/5 of them will use a credit card.

$\frac{3}{5} X 600=360$

360 credit card can be expected.

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aev [14]

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3 years ago

If (x) = 3x - 2 and g(x) = 2x + 1, find (f+g)(x).<br> A. X-1<br> B. X-3<br> C. 5x-3<br> D. 5x-1

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Answer:

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3 years ago

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navik [9.2K]

C because 45.1%=45% so 45% is closest to -3 to 0 degress

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3 years ago