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12] A steel block mesures 20 cm by 25 cm by 5 cm, with density 7.82 g/cm cubed. find its mass.
8]A pyramid has a square base 9 m on a side. If the volume is 216 m cubed, find the height
11]Find a] the surface area and b] the volume of a sphere having diameter 6m. Leave your answer in terms of pi.
10]find a] the lateral area and b] the total sufrace area of a rectangle prism with base 10 by 13 and hieght 6.
2007-05-21 16:58:38 · 3 answers · asked by amaneetj 2 in Education & Reference ➔ Homework Help
12 density times 20 times 25 times 5 = 19550 g
8 volume times 3 divided by 9squared = 8m
11b radius cubed times 4/3 times pi = 36pi
a radius squared times 4 times pi = 36 pi
10 a = 10 times 13 times 2 = 260
b = 10 times 13 times 2 plus 13 times 6 times 2 plus 10 times 6 times 2 = 536
2007-05-21 17:08:06 · answer #1 · answered by Verdad 2 · 0⤊ 0⤋
ok, i love math so
8] i dont have a calculator with me but do 216 divided by 27.
11] b.2/3 times pi times 9
10] a. LA=276
b.TSA=536
2007-05-22 00:12:22 · answer #2 · answered by ashley 3 · 0⤊ 0⤋
Avoiding such questions as these was a primary factor in my decision to go to Law School.
2007-05-22 00:03:04 · answer #3 · answered by open4one 7 · 0⤊ 1⤋