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Mathematics 21 Online
OpenStudy (anonymous):

Help Please If y varies as x and y= -18 as x= -2,find y for the x-value of 20?

OpenStudy (cggurumanjunath):

y=kx

OpenStudy (cggurumanjunath):

-18=k*-2

OpenStudy (cggurumanjunath):

k=-18/-2=9

OpenStudy (cggurumanjunath):

y=kx y=9*20=180......

OpenStudy (cggurumanjunath):

required value of y is 180 !

OpenStudy (cggurumanjunath):

@pjpkap

OpenStudy (cggurumanjunath):

is it clear ?

OpenStudy (anonymous):

kind of? Thank you very much.

OpenStudy (cggurumanjunath):

:)

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