Help with Math?

Posted on 2015-09-01 06:10:00 in Math by SREYAS

1. 2m-nx=x+4 for x

2. ax+2xy=14 for y

3. A=(f+g)h for g (That f+g/2 is a fraction. . !)
2

4. Error Analysis. Describe and correct the error made in solving the literal equation for n.
Literal Equation:
2m=-6n+3
2m+3=n
-6

5. Geometry. The formula for the volume of a cylinder is V=?r2h ( The number 2 is supposed to be small goes above the r ), Where r is the cylinder's radius and h is its height. Solve the equation for h. What is the height of a cylinder with volume 502.4cm3 ( Again, three goes above the m ) and radius 4 cm? Use 3.14 for ?.

Thank you in advance!

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