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MatroZZZ [7]
3 years ago
6

What is the value for x

Mathematics
1 answer:
Step2247 [10]3 years ago
6 0

this is an isosceles triangle... meaning that the two base angles will be equal.

180 - 38 =  142

142 / 2 = 71

x = 71

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Answer:

I belive the answer is 5

Step-by-step explanation:

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The length of a living room is 12 feet and its width is 1012 feet. The length of the room is being expanded by x feet. Choose an
Ivanshal [37]

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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L=(12+x)\ ft\\W=10.5\ ft

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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

6 0
3 years ago
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2 is a factor of 30, so the LCM of 2 and 30 is 30.

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3 years ago
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