Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 5: Expressions; Lesson 1: Algebraic Expressions


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  • Question 28 (request help)

    Which expression could be used to find the cost of buying b books and m magazines?
    • A. 7.95b + 4.95m
    • B. 7.95b - 4.95m
    • C. 12.9(b + m)
    • D. 12.9(bm)
  • Question 29 (request help)

    Tonya has x quarters, y dimes, and z nickels in her pocket. Which of the following expressions gives the total amount of change she has in her pocket?
    • F. $0.25x + $0.05y + $0.10z
    • G. $0.25x + $0.10y + $0.05z
    • H. $0.05x + $0.25y + $0.10z
    • I. $0.10x + $0.05y + $0.25z
  • Question 30 (request help)

    Short Response What is the value of the expression below if c is 3 and d is −6?
  •    

Define a variable and write each phrase as an algebraic expression.

  • Question 31 (request help)

    8 feet less than the height
  •    \(\text{ft}\)
  • Question 32 (request help)

    Sarah worked 8 more hours than Paida.
  •    \(\text{hours}\)
  • Question 33 (request help)

    Kumar has twice the number of goals as Jacob.
  •    
  • Question 35 (request help)

    The table shows the costs of different camping activities. Over the summer, Maura canoed 4 times and fished 3 times. Write and evaluate an expression that represents the total cost Maura spent canoeing and fishing.
  • $   
  • Question 36 (request help)

    There were about \(10^5\) people at the parade. About how many people attended the parade?
  •    

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