Help me I am about to quit and I need this

Mathematics

1 answer:

Savatey [412]4 years ago

8 0

Let me give you a tip.
you just have to graph those two lines and we all lazy, go to demos.com its a graphing math website you just write what is showing and they graph it for you .

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Last month Leonhard Euler's Watch kiosk at the mall had total sales of $9,489. Merchandise totaling $225 was returned. The goods

DerKrebs [107]

Answer:

463 dollars

Step-by-step explanation:

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4 years ago

Point DD is located at (-2,-6)(−2,−6) on the coordinate plane. Point DD is reflected over the x-axis to create point D'D. Point

bearhunter [10]

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3 years ago

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What is the measure of angle E, in degrees?

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4 years ago

Suppose x is a normally distributed random variable with a mean of 22 and a standard deviation of 5. The probability that x is l

MaRussiya [10]

Answer:

The probability that x is less than 9.7 is 0.0069 = 0.69%

Step-by-step explanation:

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

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

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

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

In this problem, we have that:

$\mu = 22, \sigma = 5$