Questions on Algebra: Square root, cubic root, N-th root answered by real tutors!

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Question 155391This question is from textbook
: find the lenght of a rectangle whose perimeter is 34.6 centimeters and whose width is 5.7 centimeterThis question is from textbook
: find the lenght of a rectangle whose perimeter is 34.6 centimeters and whose width is 5.7 centimeter
Answer by checkley77(3412) About Me  (Show Source):
You can put this solution on YOUR website!
2*5.7+2X=34.6
11.4+2X=34.6
2X=34.6-11.4
2X=23.2
X=23.2/2
X=11.6 C. IS THE LENGTH.
PROOF:
2*.7+2*11.6=34.6
11.4+23.2=34.6
34.6=34.6