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aleksklad [387]
3 years ago
10

If the sum of a number and eight is tripled the result is four less than twice the number. Find the number

Mathematics
1 answer:
DiKsa [7]3 years ago
8 0

Answer:

-28

Step-by-step explanation:

Let the number be x

Given that,

3( x+ 8) = 2x - 4

3x + 24 = 2x -4

3x-2x = -4-24

x= -28

Hope it helps....

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3 0
3 years ago
Suppose you need to minimize the cost of fencing in a rectangular region with a total area of 450 square feet. The material that
natta225 [31]

Answer:

The problem is stated as:

Min C = 15*(2*x +y) + 21*y

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Step-by-step explanation:

Given that the region is rectangular, it has two opposite sides called x and two other opposite sides called y (both measured in feet). Then, the area (in square feet) is:

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5 0
3 years ago
0.24a + 0.5 = 4.5 What does the variable equal
GREYUIT [131]

Answer:

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Step-by-step explanation:

1) eliminate constant first by performing the opposite operation:

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0.24a=4.0

divide both sides by 0.24

a=16.66

4 0
3 years ago
Read 2 more answers
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Leviafan [203]

Answer:

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Step-by-step explanation:

multiply 7 and -35 to get your answer.

I hope this helped <3

5 0
2 years ago
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