Plz help ibzcbiscibscibaciv

Mathematics

1 answer:

lisov135 [29]3 years ago

5 0

Answer:The answer is 2 if you use a calculator.

Step-by-step explanation:

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Find the distance (-1,-2) and (3,-1)

jasenka [17]

Answer:

$\sqrt{17}$

Step-by-step explanation:

$\sqrt{4^2 + 1^2}$

$\sqrt{17}$

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3 years ago

Morgan is walking her dog on an 8-meter-long leash. She is currently 500 meters from her house, so the maximum and minimum dista

lara31 [8.8K]

<u>The minimum distance is 492 meters from the house (500 - 8 = 492), and the maximum distance is 508 meters from the house (500 + 8 = 508). The dog may be slightly closer to the house, depending on how long the dog is, or if Morgan is using a leash extender.</u>

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3 years ago

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The meal cost$ 54.65 and they want to leave they waiter a 20% how much should the tip be

SSSSS [86.1K]

Answer:

10.93

Step-by-step explanation

54.65 x 0.20 = 10.93

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3 years ago

Consider a value to be significantly low if its z score less than or equal to minus−2 or consider a value to be significantly hi

den301095 [7]

Answer:

Test scores of 10.2 or lower are significantly low.

Test scores of 31 or higher are significantly high

Step-by-step explanation:

Z-score:

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:

$\mu = 20.6, \sigma = 5.2$