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Big Ideas Math: Modeling Real Life, Grade 8
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Big Ideas Math: Modeling Real Life, Grade 8 View details
4. Rewriting Equations and Formulas
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Exercise 24 Page 29

Apply inverse operations to isolate V.

V=Bh/3

Practice makes perfect
To solve the given formula for the red variable V, we will use the Properties of Equality to apply inverse operations on the formula. Remember, only like terms can be combined.
B=3V/h
MultEqn

LHS * h=RHS* h

B(h)=3V/h(h)
Multiply

Multiply

Bh=3V/h(h)
FracMultDenomToNumber

a/h* h = a

Bh=3V
DivEqn

.LHS /3.=.RHS /3.

Bh/3=3V/3
CalcQuot

Calculate quotient

Bh/3=V
RearrangeEqn

Rearrange equation

V=Bh/3
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arrow_right Try It p.26-27
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Try It 2 (Page 26)
Try It 3 (Page 26)
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arrow_right Self-Assessment for Concepts & Skills p.27
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arrow_right Self-Assessment for Problem Solving p.28
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arrow_right Review & Refresh p.29
Review & Refresh 1 (Page 29)
Review & Refresh 2 (Page 29)
Review & Refresh 3 (Page 29)
Review & Refresh 4 (Page 29)
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arrow_right Concepts, Skills, & Problem Solving p.29-30
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Concepts, Skills, & Problem Solving 13 (Page 29)
Concepts, Skills, & Problem Solving 14 (Page 29)
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Concepts, Skills, & Problem Solving 32 (Page 30)