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LekaFEV [45]
4 years ago
15

Please help fast please please fast

Mathematics
2 answers:
WINSTONCH [101]4 years ago
7 0

Answer:

y^7

Step-by-step explanation:

all you have to do is add y^2 and y^5 together and that gets u y^7

High Hopes^^

Barry-

ikadub [295]4 years ago
4 0

Answer:

y^{5}×y²=y^{b}

y^{5+2}=y^{b}

b=7

Step-by-step explanation:

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Step-by-step explanation:

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A math class's mean test score is 88.4. The standard deviation is 4.0. If Kimmie scored 85.9, what is her z-score
kvv77 [185]

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<h3>Calculating z-score</h3>

The formula for calculating the z-score is expressed as;

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Learn more on z-score here: brainly.com/question/25638875

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