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natali 33 [55]
3 years ago
15

R - 8 = 2.745 What is the value of r?

Mathematics
2 answers:
jok3333 [9.3K]3 years ago
6 0
The answer:
r=2.745+8
r=10.745
Ksenya-84 [330]3 years ago
4 0

Answer:

r= 10.745

Step-by-step explanation:

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Answer:

Option C. 10.5(12 + x) square feet

Option E. (126 + 10.5x) square feet

Step-by-step explanation:

step 1

Find the area of the original living room

we know that

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we have

L=12\ ft\\W=10\frac{1}{2}\ ft=10.5\ ft

substitute

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step 2

Find the new area of the living room

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so

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A=10.5(12+x)\ ft^2

The expanded form of the expression is

Apply distributive property

A=10.5(12)+10.5(x)\\A=(126+10.5x)\ ft^2

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