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OpenStudy (anonymous):
i need help with -7=0.75(3+10k)-5k
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OpenStudy (anonymous):
Distribute -5k
OpenStudy (anonymous):
-7 = .75(-15k-50k^2)
OpenStudy (anonymous):
Then distribute .75
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
-11.25k-37.5k^2= -7 add 7 to both sides -11.25k-37.5k^2 + 7= 0 Then plug it into the quadratic formula
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OpenStudy (anonymous):
To find k
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