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vaieri [72.5K]
3 years ago
5

Justin started eating lunch at 12:23 and finish at 12:45. How many elapse time while he was eating lunch

Mathematics
2 answers:
Gala2k [10]3 years ago
4 0

Answer:

22 minutes

Step-by-step explanation:

lyudmila [28]3 years ago
3 0

Answer:

the answer is 22 minutes

Step-by-step explanation:

because when you need to add 2 to get 12:25 and then u add 20 more minutes which then gives takes u to 12:45 then add the time u added and that is the answer, 22 minutes

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Multiple Choice<br>1. Which angle is a right angle? (1 point)​
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no one can answer this question since it doesn't show the choices, but if whichever one is 90 degrees/ has a little square in the corner would be the right answer

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3 years ago
You spin the spinner shown below once. Each sector shown has an equal area.
Vladimir [108]

Hope This Helps!!!

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5 0
3 years ago
Assume that females have pulse rates that are normally distributed with a mean of u = 75.0 beats per minute and a standard devia
Elan Coil [88]

Answer:

36.88% probability that her pulse rate is between 69 beats per minute and 81 beats per minute.

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 = 75, \sigma = 12.5

Find the probability that her pulse rate is between 69 beats per minute and 81 beats per minute.

This is the pvalue of Z when X = 81 subtracted by the pvalue of Z when X = 69.

X = 81

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

Z = \frac{81 - 75}{12.5}

Z = 0.48

Z = 0.48 has a pvalue of 0.6844

X = 69

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

Z = \frac{69 - 75}{12.5}

Z = -0.48

Z = -0.48 has a pvalue of 0.3156

0.6844 - 0.3156 = 0.3688

36.88% probability that her pulse rate is between 69 beats per minute and 81 beats per minute.

3 0
3 years ago
Read 2 more answers
Given: ∆ABC, AB = CB
SCORPION-xisa [38]
Angle ABC = 48
Angle PBC = 24
Angle A + Angle C = 180-24.  Angle A = Angle C
Angle C = 132/2 = 66
Angle PCD = 66-24 = 42 degrees
4 0
3 years ago
Read 2 more answers
In the accompanying diagram, line n is parallel to
mote1985 [20]
Here too same procedure
4) 156 is the answer
4 0
3 years ago
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