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OpenStudy (anonymous):
y varies jointly with p and q. When p = 7 and q = 2, y = 70. Find y when p = 8 and q = 4.
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OpenStudy (luigi0210):
Do you know how to start?
OpenStudy (anonymous):
no o i think you do y=kpq which then you get 7(2)k=70 then you 14k=70 which equals 5 then you plug in 8(4)(5)=Y so you get 160
OpenStudy (luigi0210):
That's right.
OpenStudy (anonymous):
thank you
OpenStudy (luigi0210):
You didn't need help at all xD
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OpenStudy (anonymous):
What is the standard form equation of the line passing through (–2, 8) with a slope of 2? need help
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