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Ad libitum [116K]
4 years ago
10

The price of a television decreased from $275 to $190 during a clearance sale. What is the percent of decrease in the price? Rou

nd to the nearest percent, if necessary.
I think it's D.

A. 29% B. 31% C. 45% D. 69%
Mathematics
1 answer:
just olya [345]4 years ago
3 0
195=275-275p -275 -27 -80=-275p You do -80 divided by -175 which is 0.45 and your answer is C45%.
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Answer:

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Step-by-step explanation:

Variance of activity A (V_{1}) = 0.33

Variance of activity B (V_{2}) = 0.67

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Thus the standard deviation on the critical path (\alpha ^{2}) = V_{1} ^{2} + V^2_{2} +  V^2_{3} + V^2_{4}

                                                                             \alpha ^{2}  = 0.33^{2} + 0.67^{2} + 0.33^{2} + 0.17^{2}

                                                                             \alpha ^{2} = 0.6956

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The standard deviation on the critical path = 0.834

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