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Axia College Material
Appendix E
Radicals
Application Practice
Answer the following questions. Use Equation Editor to write mathematical expressions and equations.
First, save this file to your hard drive by selecting
Save As
from the File
menu. Click the white space
below each question to maintain proper formatting.
Hint: Pay attention to the units of measure. You may have to convert from feet to miles several times in
this assignment. You can use 1 mile = 5,280 feet for your conversions.
1. Many people know that the weight of an object varies on different planets, but did you know that
the weight of an object on Earth also varies according to the elevation of the object? In particular,
the weight of an object follows this equation:, where
C
is a constant, and
r
is the distance that the
object is from the center of Earth.
a. Solve the equation for
r
.
=

w Cr 2
– Original equation to be solved for r
= 
wC r 2
– Divide by C on each side
=
wc 1r2
– Negative exponents removed
=
wr2 c
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This note was uploaded on 04/20/2011 for the course MATH 116 taught by Professor Mcmillian during the Spring '09 term at University of Phoenix.
 Spring '09
 mcmillian
 Math, Radicals, Equations

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