Math 1.7

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Author:
Mossy
ID:
218652
Filename:
Math 1.7
Updated:
2013-05-08 19:34:31
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Description:
Chapter 1 -Bulding Mathematical Models Using Variation
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  1. Write an equation that relates the quantities.
    -W varies jointly with n and s and inversely with the cube of t. The constant of proportionality is 8.14.
    W=
  2. Write a general formula to describe the variation.
    -z varise directly with the sum of squares of x and y; z=2 when x=6 and y=2
    z=
  3. Write a general formula to describe the variation.
    - The square of T varies directly with the cube of a and inversely with the square of d; T=6 when a=3 and d=5
    T2=
  4. Write a general formula to describe the variation.
    - y varies directly with x; y=6 when x=48
    y=
  5. Decide whether the following statement is true or false.
    -If y varies directly with x, then y=, where k is a constant.
    False
  6. Write a general formula to describe the variation.
    -A varies directly with x2; A=50 when x=5
    A= 2x2

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