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Nitella [24]
3 years ago
12

What is the measure of 25 degrees complementary angle

Mathematics
2 answers:
nataly862011 [7]3 years ago
5 0

Answer:

If the complement of an angle is 25 degrees, then the measurement of the angle will be 65 degrees

Step-by-step explanation:

NARA [144]3 years ago
3 0

Answer:

65 degrees

Step-by-step explanation:

If the complement of an angle is 25 degrees, then the measurement of the angle will be 65 degrees.

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Need help with this problem please! I believe it is b but I get a different answer everytime I redo it!
Andreas93 [3]

Answer:

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Step-by-step explanation:

5 0
3 years ago
A retail store did research and determined that, on average, each customer spends 40 minutes in their store per visit, with a st
Blababa [14]

Answer:

0.13% of customers spend more than 46 minutes

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 = 40, \sigma = 2

What percentage of customers spend more than 46 minutes?

This is 1 subtracted by the pvalue of Z when X = 46. So

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

Z = \frac{46 - 40}{2}

Z = 3

Z = 3 has a pvalue of 0.9987

1 - 0.9987 = 0.0013

0.13% of customers spend more than 46 minutes

6 0
3 years ago
Y=[x]-4<br> Determine the value of y, if x is 15
netineya [11]

Answer:

11

Step-by-step explanation:

15 - 4 = 11

6 0
2 years ago
Read 2 more answers
What is 3(9-3r)= simplifyed
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27-9r
explaintion:
3•9+3•-3r
27+3•-3r=
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Mario started his homework at 3:30 He finished 25 minutes later. What time did Mario finish his homework?
MrRissso [65]
The answer would be that Mario finished his homework at 3:55
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3 years ago
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