The length of a rect. is 6 more than 4 times the width. the perimete is 62. find the dimensions of the rectangle.
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OpenStudy (anonymous):
i keep getting it wrong
OpenStudy (anonymous):
x should equal 5 but i got 29
OpenStudy (apoorvk):
wait. i made a mistake. didn't read it carefully.
OpenStudy (anonymous):
yeah it should be 4x+6
OpenStudy (anonymous):
or 6(4x)
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myininaya (myininaya):
more means add
OpenStudy (apoorvk):
let the rectangle's width be 'x'.
Then, length = 6 more than 4 times the width= 4x +6
Perimeter = 62 = 2(length + breadth)
put in the values of length and the breadth on terms of 'x', and find 'x' by solving the equation.
OpenStudy (anonymous):
yeah so 4x+6 but i tried that and it didnt wrk
myininaya (myininaya):
so L is 6 more than 4 times the width is
L = 6 + 4 W
myininaya (myininaya):
Then use the formula for perimeter since the perimeter is given
2L+2W=62
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OpenStudy (anonymous):
i got 11.2 and thats not the answer ok ll try that
OpenStudy (anonymous):
IT WORKED!! thanks muninaya!
OpenStudy (apoorvk):
actually you will get x=5 alright, if you do this correctly.