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pogonyaev
3 years ago
7

What is -0.6(r+0.2) = 1.8 ???

Mathematics
1 answer:
lana66690 [7]3 years ago
4 0

Answer:

r = -3.2

Step-by-step explanation:

-0.6(r+0.2) = 1.8

Divide by -.6

-0.6/-.6(r+0.2) = 1.8/-.6

r+.2 = -3

Subtract .2 from each side

r+.2-.2 = -3-.2

r = -3.2

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Answer:a) 54/55

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Step-by-step explanation:

a)Probability of ordering 4= 9/12×3/11×2/10×1/9 = 54/11880

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b)Probability of 2 good units= 2 × 54/(11880)

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1- (1/110)= 100/110

c) Probability of exactly 2 units not good= 1 -(100/110) =99/110

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Step-by-step explanation:

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