1. A 2. B 3. C 4. D A. Substitution, Substitution, Multiplicative Inverse, Transitive Property B. Substitution, Transitive Property, Multiplicative Inverse, Additive Identity C. Substitution, Symmetry, Multiplicative Inverse, Additive Identity D. Substitution, Additive Inverse, Multiplicative Inverse, Additive Identity (over Lesson 1-4) Which choice shows the step-by-step properties used to find the solution of
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1. A
2. B
3. C
4. D
A. Substitution, Substitution, Multiplicative Inverse, Transitive Property
B. Substitution, Transitive Property, Multiplicative Inverse, Additive Identity
C. Substitution, Symmetry, Multiplicative Inverse, Additive Identity
D. Substitution, Additive Inverse, Multiplicative Inverse, Additive Identity
Standard 1.0 Students identify and use the arithmetic properties of subsets of integers and rational, irrational, and real numbers, including closure properties for the four basic arithmetic operations where applicable.
Standard 25.1 Students use properties to construct simple, valid arguments (direct and indirect) for, or formulate counterexamples to claimed assertions.
EXERCISE Julia walks 5 days a week. She walks at a fast rate for 7 minutes and then cools down for 2 minutes. Rewrite 5(7 + 2) using the Distributive Property. Evaluate to find the total number of minutes Julia walks.
WALKING Susanne walks to school and home from school 5 days each week. She walks to school in 15 minutes and then walks home in 10 minutes. Rewrite 5(15 + 10) using the Distributive Property. Then evaluate to find the total number of minutes Susanne spends walking to and home from school.