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marishachu [46]
3 years ago
5

If 3 is added to a certain number, the results is 15 less than three times the number. Find the number

Mathematics
1 answer:
Harman [31]3 years ago
8 0

Answer:

number = 9

Step-by-step explanation:

number = x

3 is added to a number = (x+3) result

3 times the number = 3x

15 less than three times the number = 3x-15

the results is 15 less than three times the number

x+3 = 3x -15

3x-x= 3+15

2x = 18

x=9

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Answer:

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Step-by-step explanation:

Two <u>circular</u> bases which are parallel and congruent :

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The cube doesn't have any circular bases.

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A cone has a circular base, but it doesn't have two.

A cylinder has two circular bases, as well as they are parallel and congruent.

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3 years ago
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Bogdan [553]

Answer:

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Step-by-step explanation:

Simplifying

3c + 6 = 18

Reorder the terms:

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Solving

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3 years ago
Read 2 more answers
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