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2 years ago

Can anyone help? It’s not 14, I’ll give Brainly + 15 pts

Mathematics

1 answer:

Julli [10]2 years ago

8 0

Short side length = x

Medium side = x + 7

Long side = 5x

Total 49, so

x + x + 7 + 5x = 49

If you combine like terms:

7x + 7 = 49

Subtract 7 from both sides

7x = 42

Divide both sides by 7

x = 6 inches.

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2 years ago

If the nth term of a number sequence is n’ – 3,<br> find the first 3 terms and the 10th term.

Diano4ka-milaya [45]

Answer:

First 3 terms: -2, -1, 0

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2 years ago

The volume of the triangular prism is 54 cubic units.

OverLord2011 [107]

Answer:

x = 3

Step-by-step explanation:

Given:

The volume of the triangular prism : 54 cubic units
The base length: 4 unit
The height of the base: x
The height of the prism : 3x

As we know that, the formula used to find out the volume of a triangular prism is:

V = 1/2 * The base length * The height of the base * The height of the prism

<=> V = 1/2*4*x*3x

In this question we have V = 54 cubic units

<=> 1/2*4*x*3x = 54

<=> $x^{2}$ = 9

<=> x = 3

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2 years ago