Monday

December 22, 2014

December 22, 2014

Posted by **chris** on Wednesday, September 19, 2012 at 12:10pm.

- algebra 2 -
**Steve**, Wednesday, September 19, 2012 at 1:22pmsince y varies directly with x, there is some constant k such that

y = k*x

Since y=20 when x=50,

20 = k*50

k = 2/5

Now you know k, and you can figure things out for other values

36 = 2/5 * x

x = 90

**Answer this Question**

**Related Questions**

Math - DIRECT VARIATION 1. a is directly proportional to b.If a=15,then b=9 2. m...

Pre-Calc - 1.) Suppose that y varies directly as x. If y is 5 when x is 30, the ...

algebra1 - M varies directly with n; m=144 when n=8. What is the constant of ...

math - t varies directly as the square root of l. If l=81, then t=10 what is the...

Algebra II - 1. If y varies directly as x, and y=30 when x=4, find the constant ...

Variation - I have few questions that I need checked please and could you help ...

Math - This is regarding direct variation. y varies directly as the square of R...

Math-Algebra - 1. The surface area of a cube varies directly as the square of ...

Check my answers. Algebra - Can you please check my answers? Thanxs! Write an ...

algebra - y varies directly with x. When y = 20, x = 50. Find x when y = 36.