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prisoha [69]
3 years ago
7

The chance of randomly selecting a red marble from a bag is 3/10. What is the probability of not selecting a red marble.

Mathematics
1 answer:
Andreas93 [3]3 years ago
5 0
The correct answer is 7/10
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Answer:

x = 3

Step-by-step explanation:

Solve for x:

1/2 + 1/x = 5/6

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Cross multiply:

6 (x + 2) = 10 x

Expand out terms of the left hand side:

6 x + 12 = 10 x

Subtract 10 x + 12 from both sides:

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Step-by-step explanation:

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A local hamburger shop sold a combined total of 685 hamburgers and cheeseburgers on Wednesday. There were 65 fewer cheeseburgers
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