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Vikentia [17]
3 years ago
6

Three times the sum of a number and four is equal to five times the number, decreased by two. If x represents the number, which

equation is a correct translation of the statement?
1) 3(x + 4) = 5x - 2
2) 3(x + 4) = 5(x - 2)
3) 3x + 4 = 5x - 2
4) 3x + 4 = 5(x - 2)
Mathematics
2 answers:
3241004551 [841]3 years ago
8 0


the answer is 2) 3(x+4)=5(x-2)


Vsevolod [243]3 years ago
5 0
So 3 times (3 times) the sum of (+) a number and 4 (x,4)  is equal to (=) five times the number (5x) decreased by 2 (-2)

the equation would be 3(x+4)=5x-2
so if we solve we get
3x+12=5x-2
12=2x-2
10=2x
5=x
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What is the volume of a rectangular prism that is 8 m long, 7 m wide, and 5 m tall?
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2 years ago
Solve for x please refer to image
QveST [7]

Answer:

x = 40

Step-by-step explanation:

Sum of interior angle of an n-polygon = (n - 2)*180

The polygon given is pentagon with 5 sides.

Sum of the polygon = (5 - 2)*180 = 540°

Therefore, sum of all its interior angles would be:

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Solve for x

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Collect like terms

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10x = 540 - 140 (Subtraction property of equality)

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x = 400/10 (division property of equality)

x = 40

6 0
2 years ago
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