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professor190 [17]
3 years ago
13

Perform the indicated operation 5 1/5 -3 1/2

Mathematics
1 answer:
Zina [86]3 years ago
7 0

Answer:


26/5 - 7/2

find common denominator which is 10

52/10 - 35/10 =

17/10 which simplifies to 1 7/10

the answer is B


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3 years ago
Read 2 more answers
A bag of marbles contains 2 gold marbles, 10 silver marbles, and 30 black marbles. You decide to play the following game: Random
Rasek [7]

Answer:

-71 cents

Step-by-step explanation:

The total number of balls is 2 + 10 + 30 = 42 balls

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The probability of getting silver marbleP_s = 10/42 = 0.2381

The probability of getting black marbleP_b = 30/42 = 0.7143

With the price for each case, we can calculate the expected value of the game by multiplying the price money by the probability and sum them up

E = 5P_g + 2P_s - 2P_b

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or -71 cents.

So expect to lose 71 cents everytime you play this game

5 0
3 years ago
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