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How would I do this??

How would I do this??-example-1
User Rudy S
by
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1 Answer

4 votes
what you do is like this

w is direcly proprotional to y means
w=k/y

w is inversly propotional to x^2 means
w=kx^2



19.a.
y=4
w=14
14=k4
56=k
therefor
w=56/y
if y=9
find w
w=56/9
w=6 and 2/9


b.
x=2
w=5
5=k2^2
5=k4
5/4=k
1.25=k

so
w=1.25x^2
x=10
w=1.25*10^2
w=1.25*100
w=125

sorry got to go
User Panoet
by
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