19-06-2016
Mathematics

Answered

Y varies directly as x. If y =-5 when X= 15, find x when y =3

Verified Answer :

19-06-2016

y varies directly as x,
then y = kx

when y = -5, x =15
so,
-5 = k15
k = -5/15 = -1/3

so, y = -x/3

when y = 3,
3 = -x/3
x= -33
x= -9.

Answer Link

Related Questions

Each day Steven walked 112 mile more than than the previous day The first day he walked 112 the second he walked 212 mile the third day he walked 312 mile On wh

The Department of Transportation built a new highway interchange outside of Raymonds town Many of the businesses are suffering because the amount of traffic in

When Gregor Mendel crossed a tall plant with a short plant the F1 plants inherited a one allele from each parent b two alleles from each parent c three alleles

Voter turnout tends to be highest in A midterm elections B presidential elections C primary elections D special elections

Integrate the following e2x cos3x dx

What role do entrepreneurs plays in the us economy

what is 4004 times 72

Suppose the circumference of a circle is 3 pi What is the diameter

how does vegetative surface type affect amount of runoff

What must be present during any BEV repair? A. Rescue hook B. Safety glasses C. Insulated tool kit D. High Voltage gloves E. All of the above

Web Analytics