SOLUTION: 13. The length of a rectangle is seven feet more than its width. The area of the rectangle is four hundred ninety-four square feet. Which of the following equations could you use t
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Question 1197583: 13. The length of a rectangle is seven feet more than its width. The area of the rectangle is four hundred ninety-four square feet. Which of the following equations could you use to get the dimensions of the rectangle?
A. l * w + 7 = 494
B. x2 + 7 = 494
C. x(x + 7) = 494
D. 2x + 7 = 494
E. 9x2 = 494
F. 7w * w = 494
14. The width of a rectangle is three hundred thirty-five feet less than five times its length. The area of the rectangle is nine thousand, seven hundred ninety square feet. Which of the following equations could you use to get the dimensions of the rectangle?
A. 5x - 335 = x + 9790
B. 5x2 - 335 = 9790 - x
C. 5x2 = 9790 - 335
D. 5x2 - 335 = 9790
E. 6x = 9790 - 335
F. x(5x - 335) = 9790
Found 2 solutions by ikleyn, MathLover1:
Answer by ikleyn(52777) (Show Source): You can put this solution on YOUR website!
.
To the first problem
To any person, familiar with conceptions of a "rectangle", "length of a rectangle", "width of a rectangle",
"area of a rectangle", "seven", "more than", it should be clear from the post,
that the correct answer is option (C) and no one other option.
Please do not pack more than ONE PROBLEM PER POST.
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
13.
let the width be
then the length is
The area of the rectangle is:
given that the area is
then we have
answer: C.
14.
the width be
the length is
given that the area is
=>
answer: F.
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