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McGraw Hill Glencoe Algebra 2, 2012 View details

1. Expressions and Formulas

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Exercise 22 Page 7

Substitute - 0.8 for b, 5 for c, and 15 for d.

1/4 or 0.25

Practice makes perfect

To evaluate the given expression for b = - 0.8, c= 5, and d= 15, we should substitute these values into the expression and simplify as much as possible.

b+6/4(d+c)

SubstituteValues

Substitute values

- 0.8+6/4( 15+ 5)

WriteDec

Write as a decimal

- 0.8+6/4(0.2+5)

AddTerms

Add terms

5.2/4(5.2)

CancelCommonFac

Cancel out common factors