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Ne4ueva [31]
3 years ago
5

What is the best solutionto this equation? x+8= -2 A.-10 B.-6 C.6 D.10

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
4 0

Answer:

Step-by-step explanation:

x + 8 = -2

x = -10

the answer is a

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Basile [38]

Answer: x = 0.6 ÷ 8.9 = 5.34

Step-by-step explanation:

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If my cat ate 1 to 3 cans of wet food what is the ratio in this statement?
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1 can of wet food
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olice response time to an emergency call is the difference between the time the call is first received by the dispatcher and the
yan [13]

Answer:

0.7823 = 78.23% probability that the response time is between 3 and 9 minutes.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

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Z = \frac{X - \mu}{\sigma}

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 p-value, we get the probability that the value of the measure is greater than X.

Mean of 7.2 minutes and a standard deviation of 2.1 minutes.

This means that \mu = 7.2, \sigma = 2.1

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This is the pvalue of Z when X = 9 subtracted by the pvalue of Z when X = 3.

X = 9

Z = \frac{X - \mu}{\sigma}

Z = \frac{9 - 7.2}{2.1}

Z = 0.86

Z = 0.86 has a pvalue of 0.8051

X = 3

Z = \frac{X - \mu}{\sigma}

Z = \frac{3 - 7.2}{2.1}

Z = -2

Z = -2 has a pvalue of 0.0228

0.8051 - 0.0228 = 0.7823

0.7823 = 78.23% probability that the response time is between 3 and 9 minutes.

4 0
3 years ago
.For a hockey game, tickets are $220 for
Romashka [77]

Answer:

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Number of front row seats = x

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so if we formulate this using our variables y,z,x,w and T problem it becomes:

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