Mathematics: The three sides of a triangle are n, 3n+5, and 5n−5. If the perimeter of the triangle is 63 cm, what is the length of each side?

The three sides of a triangle are n, 3n+5, and - id35556122125, mariahdelossantos031

Ответ:

I1YBYY

24.01.2022

Mathematics

Find n :

P = n + (3n + 5) + (5n - 5)

63 = (n + 3n + 5n) + (5 - 5)

63 = 9n

n = 63 ÷ 9

n = 7

Sides :

1.) n = 7

2.) 3n + 5 = 3(7) + 5 = 21 + 5 = 26

3.) 5n - 5 = 5(7) - 5 = 35 - 5 = 30

Hope it helpful and useful :)

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Ответ:

timothytomas2046

30.07.2022

Mathematics

0.00067=67X10^5 so

67X10^5-2.3X10^5

64.7X10^5 which can be expressed as:

6.47X10^6

(not sure if it matters to you or not, but technically we only had two significant figures so it should be rounded to 6.5X10^6)

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The three sides of a triangle are n, 3n+5, and 5n−5. If the perimeter of the triangle is 63 cm, what is the length of each side?

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