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McGraw Hill Integrated II, 2012

MH

McGraw Hill Integrated II, 2012 View details

6. Similarity Transformations

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Exercise 43 Page 599

Use the Properties of Equality to solve the given equation. Round the solution.

0.003

Practice makes perfect

To solve an equation, we should first gather all of the variable terms on one side and all of the constant terms on the other side using the Properties of Equality. In this case, the variable term is already on the left-hand side of the equation. We will simplify the fraction and use the Division Property of Equality to solve it.

100t=70/240

a/b=.a /10./.b /10.

100t=7/24

.LHS /100.=.RHS /100.

t=724/100

a/c/b= a/b* c

t=7/2400

Calculate quotient

t=0.002916 ...

Round to 3 decimal place(s)

t ≈ 0.003

The solution to the equation is t ≈ 0.003.

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Exercises p.596-599