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Alex73 [517]
3 years ago
7

18. Which expression is equivalent to

Mathematics
1 answer:
Amanda [17]3 years ago
6 0

Answer:

D. 14x

Step-by-step explanation:

add 9x to 4x which is 13x then add x to 13x which is 14x

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Caitlin went to the store to buy school clothes .She had a store credit from from a previous return in the amount of $39.58 if s
charle [14.2K]

Answer:

each shirt costs 22.95

Step-by-step explanation:

39.58 + 52.22 = 91.80

91.80/4= $22.95 each

8 0
3 years ago
PLEASEEEEE HELPPPP BEST ANSWER WILL GET BRAINLIEST LESTSSS GOOO.
USPshnik [31]

Answer:

24

Step-by-step explanation:

8 0
2 years ago
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Mr. Jones wants to place a chimney on his roof. It is recommended that the chimney be set at a height of at least 30 feet. The h
Tom [10]

Absolute value of any number is always positive because it represent distance and distance will always positive.

To place chimney at  least 30 feet , the distance along the width of the roof  (x) will be  x = 17.5 feet or x = 2.5 feet.

Since, The height of the roof is described by the function f(x)=−4/3|x−10| + 40

Since, minimum height is 30 feet.

So , substitute f(x)=30 in above expression.

                 30=−4/3|x−10| + 40

                   4/3|x−10| = 10

                      |x−10|=30/4

                      |x−10| = 7.5

Taking positive case,

                           x−10 = 7.5

                           x = 17.5 feet

Taking negative case,

                          x−10 = - 7.5

                          x = 10 - 7.5

                          x = 2.5 feet

Learn more:

brainly.com/question/14473339

7 0
2 years ago
Eight less than one-fourth of a number is 4
enyata [817]

1/4n-8=1/4 would be first because it says less than so you switch it. then you put the 8 since it's in the same subtraction problem. Then the word "is" indicates the equal sign. and the n represents "a number" since it is unknown.

6 0
3 years ago
-5/32a ÷ 7/20a reduce to the lowest terms
Virty [35]
The answer is -25/56
4 0
3 years ago
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