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GREYUIT [131]
3 years ago
15

Please help me thank you so much I appreciate it

Mathematics
2 answers:
solmaris [256]3 years ago
7 0

Answer:

12

Step-by-step explanation:

5+4+3

MakcuM [25]3 years ago
3 0

Answer:

12

Step-by-step explanation:

To find perimeter, add the lengths of each side. 5 + 4 + 3 = 12

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Acceleration is the change of speed and/or direction of an object. true or false​
Vladimir79 [104]

Answer:

false

Step-by-step explanation:

7 0
3 years ago
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Heights of Women. Heights of adult women are distributed normally with a mean of 162 centimeters and a standard deviation of 8 c
Bogdan [553]

Answer:

a) 6.68% of heights less than 150 centimeters

b) 58.65% of heights between 160 centimeters and 180 centimeters

Step-by-step explanation:

When the distribution is normal, we use 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 question, we have that:

\mu = 162, \sigma = 8

a) The percentage of heights less than 150 centimeters

We have to find the pvalue of Z when X = 150. So

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

Z = \frac{150 - 162}{8}

Z = -1.5

Z = -1.5 has a pvalue of 0.0668

6.68% of heights less than 150 centimeters

b) The percentage of heights between 160 centimeters and 180 centimeters

We have to find the pvalue of Z when X = 180 subtracted by the pvalue of Z when X = 160.

X = 180

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

Z = \frac{180 - 162}{8}

Z = 2.25

Z = 2.25 has a pvalue of 0.9878

X = 160

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

Z = \frac{160 - 162}{8}

Z = -0.25

Z = -0.25 has a pvalue of 0.4013

0.9878 - 0.4013 = 0.5865

58.65% of heights between 160 centimeters and 180 centimeters

7 0
3 years ago
3/8 x (1 - 1/3) (don’t answer the equation write the equation in word form)
stellarik [79]

Answer:

three-eighths multiplied by the difference of one and one-third.

Step-by-step explanation:

Convert equation to words

3/8 = three-eighths

x = multiplied

1 - 1/3 = difference of one and 1/3

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

8 0
2 years ago
PLEASE HELP, MARKING BRAINLIEST !!!<br><br> What is the surface area of the prism ?
djverab [1.8K]

Answer: 1726

Step-by-step explanation:

A=2(wl+hl+hw)

A=

2

w

l

h

l

h

w

=

2

6.5

29

19

29

19

6.5

=

1726

4 0
3 years ago
Read 2 more answers
Which of the following ordered pairs would be the origin on a graph?
Triss [41]

Answer:

D is the answer

Step-by-step explanation:

0,0 is the only one that both start at 0, which is crucial for the origin (or really just to make sure they have the exact same number :) )

6 0
3 years ago
Read 2 more answers
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