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McGraw Hill Glencoe Algebra 2, 2012

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McGraw Hill Glencoe Algebra 2, 2012 View details

1. Expressions and Formulas

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Exercise 11 Page 7

Substitute 4 for x, 2.6 for y, and 13 for z.

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Practice makes perfect

To evaluate the given expression for x= 4, y= 2.6, and z= 13, we should substitute these values into the expression and simplify as much as possible.

y+x-z

SubstituteValues

Substitute values

2.6+ 4 - 1/3

Add terms

6.6-1/3

▼

Simplify

Write as a fraction

66/10-1/3

a/b=a * 3/b * 3

198/30-1/3

a/b=a * 10/b * 10

198/30-10/30

Subtract fractions

188/30

a/b=.a /2./.b /2.

94/15

▼

Write fraction as a mixed number

Write as a sum

90+4/15

Write as a sum of fractions

90/15+4/15

Calculate quotient

6+4/15

Add terms

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Subchapter links

Check Your Understanding p.7

Practice and Problem Solving p.7-9

H.O.T. Problems p.9

Standardized Test Practice p.10

Spiral Review p.10

Skills Review p.10