The length of a living room is 12 feet and its width is 10 1/2 feet. The length of the room is being expanded by x feet. Select all the expr

Question

The length of a living room is 12 feet and its width is 10 1/2 feet. The length of the room is being expanded by x feet. Select all the expressions that represent the area of the living room in square feet.
Answer Choices:
A. 10.5(12x) square feet
B. (10.5 + 12 + x) square feet
C. 10.5(12 + x) square feet
D. 126x square feet
E. (126 + 10.5x) square feet
F. (22.5 + x) square feet

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Madeline 2 hours 2021-09-13T02:43:24+00:00 2 Answers 0

Answers ( )

    0
    2021-09-13T02:44:32+00:00

    Answer:

    C.

    Step-by-step explanation:

    You see, the answer is C. When you are calculating the area of a rectangle, you have to multiply length times width. That eliminates any possible answer of B., E., or F. Now we have A., C., and D. left. The answer is not A because we have to add the unknown expansion to the length (12), not multiply it. This reasoning also eliminates D from our set of answer choices which leaves us with C as our one and only answer.

    0
    2021-09-13T02:44:57+00:00

    Answer:

    it might be c

    Step-by-step explanation:

    hope this helps

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45:7+7-4:2-5:5*4+35:2 =? ( )