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daser333 [38]
2 years ago
8

What Is the value of 3^3 +7(2x-6) when x=4

Mathematics
1 answer:
Airida [17]2 years ago
5 0

Answer:

18? i don't think it's right but i tried mental math

Step-by-step explanation:

PEMDAS

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Line segment TV is a midsegment of ∆QRS. What is the value of n in the triangle pictured?
Elis [28]

Answer:

D. 3.2

Step-by-step explanation:

Mid-segment Theorem of a triangle states that the Mid-segment in a triangle is half of the third side of the triangle.

Based on this theorem, we have: TV = ½(RS)

TV = 3n - 2

RS = n + 12

Substitute

3n - 2 = ½(n + 12)

Multiply both sides by 2

2(3n - 2) = (n + 12)

6n - 4 = n + 12

Collect like terms

6n - n = 4 + 12

5n = 16

Divide both sides by 5

5n/5 = 16/5

n = 3.2

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The answer is D. 12.684qt
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