Wednesday

July 30, 2014

July 30, 2014

Posted by **Yvette B.** on Friday, December 28, 2012 at 7:32pm.

- Algbra 2 -
**Reiny**, Friday, December 28, 2012 at 7:42pm"If Z varies directly as X and inversely as Y" ---> z =k(x/y)

when z=9, x=5,y=3

9 = k(5/3)

5k = 27

k = 27/5

So we have z = (27/5)(x/y)

for z=18, y = 6

18 = (27/5)(x/6)

27x = 540

x = 20

**Related Questions**

variation - Can you please check my answers? Thanxs! Write an equation that ...

variation - Can you please check my answers? Thanxs! Write an equation that ...

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

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

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

Inverse Variation - Help me please.. Explain also :( 1. E is inversely ...

Math102 - If x varies directly as y and y varies inversely as the square of z. ...

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

Variation-Questions - I have some questions that I dont understand and need to ...

Algebra 2- Variation - If w varies directly as r and inversely as the square of ...