Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 5: Expressions; Lesson 5: Simplify Algebraic Expressions


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  • Question 32 (request help)

    Samir has c cards in his baseball card collection. On his birthday, he received 20 more cards than the number of cards already in his collection.Which expression represents the total number of cards now in his collection?
    • c + 20
    • c - 20
    • 2c + 20
    • 2c - 20
  • Question 33 (request help)

    Short Response Simplify the expression below.

                     5(3x + 4y) - 6(2x + 5y)
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  • Question 34 (request help)

    The table shows the number of tickets needed and the number of times Patricia participated in different activities at a carnival.

    Which expression represents the total number of tickets she used?
    • F. 14
    • H. 2a + 2b
    • G. a + b
    • I. 5a + 9b

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  • Question 35 (request help)

    Mica spends $5 for her lunch and $2 for breakfast each day Monday through Friday. Use the Associative Property to find how much money she spends on lunch and breakfast for 4 weeks.
  • $   

Define a variable. Then write each phrase as an algebraic express

  • Question 36 (request help)

    Anna has volunteered 9 more hours than Tricia
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  • Question 37 (request help)

    the cost of a pair of jeans is 4 times the cost of a book
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Evaluate each expression if x = 2, y = 10, and z = 4.

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