2 years ago

Which of these ARE NOT equivalent?I NEED HELPPP

Mathematics

1 answer:

postnew [5]2 years ago

3 0

Answer:

the first one I'm pretty sure

Step-by-step explanation:

I tried the other ones

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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

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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

The area of the original living room is equal to

$A=LW$

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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we have

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

The new area is

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

The expanded form of the expression is

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