# Posts by welgie

Total # Posts: 6

**MAth help plz..**

a rectangular prism has the 3 sides measuring x-1, x-1 and 2x+2 centimeters. Create a simplified equation to represent R, the ratio of the surface area to volume. State any logical restrictions on x.

*January 20, 2013*

**math**

tan Î˜= opposite/ adjacent = height of the tree/ shadow length = 75/50 =1.5 Î˜ = tan ^-1(1.5) Î˜ = 56°

*January 16, 2013*

**math**

6 x 1,000

*January 16, 2013*

**Math**

diameter=2radius so d=2r r=8 in d=2*8=16in

*January 16, 2013*

**science**

Eg=mgh?? or Eg=GM1m2/r??

*January 16, 2013*

**Algebra**

you cannot add exponents when you're adding terms, only when multiplying terms. a^n x a^m= a^(n+m)

*January 16, 2013*

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