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Mathematics 9 Online
OpenStudy (anonymous):

i need help with -7=0.75(3+10k)-5k

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

OpenStudy (anonymous):

To find k

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