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OpenStudy (thatonegirl_):
What is "this" exactly?
pooja195 (pooja195):
Hey there!
Welcome to openstudy!
Whats your question?
OpenStudy (anonymous):
Lost on this question.
OpenStudy (thatonegirl_):
I forgot all that stuff, I'm sorry D:
OpenStudy (welshfella):
the length of QS = length of QU
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OpenStudy (anonymous):
Yes, I understand that, so I just set them equal? I was confused whether or not I have to use any variable for the length of RS that they don't give you?
OpenStudy (welshfella):
also QR = QT
2y + 9 = 15
find y
OpenStudy (anonymous):
I got Y to equal 7.5, and got QS to be 45, as well as QU. Am I right?
OpenStudy (welshfella):
and RS = TU = 4y
plug in value of y
to get value of RS
then you can get value of QS
OpenStudy (welshfella):
no y is not 7.5
solve
2y + 9 = 15
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OpenStudy (anonymous):
Oops dumb adding/subtracting mistake. So y equals 3, plug it in to get QS as 39?
OpenStudy (welshfella):
no QR = 15 and RS = 4y = 4*3 = 12
QS = QR + RS = ?