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zepelin [54]
3 years ago
8

2x/7=15/22 Where do I start? I am stuck!

Mathematics
1 answer:
Andreas93 [3]3 years ago
5 0

You are not stuck.  You must do SOMETHING, even if it's wrong.

                                               2x/7 = 15/22

Divide each side by  2 :        x/7 = 15/44

Multiply each side by  7 :      x    = (15 x 7)/44 =  105/44  =  2.386... (rounded)


Now why couldn't YOU do that ?
You're in high school !

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Answer:

41 6/10 or 41 3/5

both answered are the same, just simplified it

Step-by-step explanation:

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Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

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The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

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