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Korvikt [17]
3 years ago
15

A mason is a person who builds structures with bricks, stone, cement block, or tile. A mason usually uses

Mathematics
1 answer:
pogonyaev3 years ago
3 0

Answer: I think it can be D

hopfully this helps :)

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How many permutations exist of the letters a, b, c, d taken two at a time?
Fittoniya [83]
The number of permutations of the 4 different letters, taken two at a time, is given by:
4P2=\frac{4!}{2!}=12
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3 years ago
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At Stephanie's new job, she spent $6.50, $8, $7.25, $13.50, and $9.75 on lunch the first week. In the second week, Stephanie spe
MaRussiya [10]

Answer:

The mean for the second week is $2 less than the first and in percentage it is 22% less.

Step-by-step explanation:

The mean is given by the sum of all individual values divided by the number of values. For the first week the sum is:

sum1 = 6.5 + 8 + 7.25 + 13.5 + 9.75

sum1 = 45

Since she spent 10 less in the second week the sum is:

sum2 = sum1 - 10 = 45 - 10 = 35

The mean for each week is:

mean1 = sum1/5 = 45/5 = 9

mean2 = sum2/5 = 35/5 = 7

difference = mean1 - mean2 = 9-7 = 2

difference(%) = [2/9]*100 = 0.22*100 = 22%

The mean for the second week is $2 less than the first and in percentage it is 22% less.

6 0
3 years ago
A right rectangular prism has base dimensions of 3 inches by 12 inches and a height of 5 inches. An oblique rectangular prism ha
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The volumes will be the same, because the heights are equal and the cross-sectional areas at every level parallel to the bases are also equal.
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2 years ago
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April ought some sports drinks and slices of pizza for her friends. She bought 3 more sports drinks than slices of pizza. If her
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s= p+3

(number of sports drinks= s)

(pizza slices= p)

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3 years ago
2(5x+7)=34 two step equation full answer
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First use distributive property. Then isolate the variable and get x=2.

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