Saturday

March 28, 2015

March 28, 2015

Posted by **Anonymous** on Sunday, September 5, 2010 at 4:53pm.

- maths -
**rebekah**, Sunday, September 5, 2010 at 4:58pmplug in the numbers

so

20=4r

then divide by 4

20/4

so 5=r

- maths -
**Ms. Sue**, Sunday, September 5, 2010 at 4:59pme= ir

20 = 4r

20/4 = r

5 = r

Substitute 5 for r to prove this equation.

20 = 4 * 5

20 = 20

Right.

**Answer this Question**

**Related Questions**

maths - for he formula A=P+Prt, find the value of (a). (i) A when P = 750. r=0....

maths - 1 .Find formula the perimeter and area of a semicircle ? 2.Find formula ...

maths - find w from the formula k=wa+b when k =30, b=6 and a=4

maths - find n from the formula P= 1/n when p= 2

maths - Find a formula for the n'th of the sequence : 2,4,8,16,32

maths - find c from the formula H= abc when h= 40, a= 2 and b= 5

maths - find c from the formula H= abc when h= 40, a= 2 and b= 5

Maths - In the formula , F= ma, F = Force (N) , m = mass (Kg) and a = ...

maths - find d from the formula c=pie d when pi=3.142 and c=27

maths - find p from the formula i= prt/100 when i=20, r=5, and t=4