Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 3: Integers; Lesson 1: Integers and Absolute Value

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  • Question 12 (request help)

    A scuba diver descended 10 feet, 8 feet, and 11 feet. The total number of feet can be represented using the expression |-10| + |-8| + |-11|.
    What is the total number of feet the scuba diver descended?

  •     feet
  • Question 13 (request help)

    Use Math Tools Mr. Chavez spent $199.99 for a new smart phone, $39.99 on a carrying case, and $59.99 on accessories. The expression |−199.99| + |−39.99| + |−59.99| represents the total amount that Mr. Chavez spent. How much did Mr. Chavez spend altogether? Check your answer using estimation.

  • \($\)   

H.O.T. Problems Higher Order Thinking

  • Question 14 (request help)

    Reason Inductively If |x| = 3, what is the value of x?

  • Question 15 (request help)

    Persevere with Problems Two numbers A and B are graphed on a number line. Is it always, sometimes, or never true that A - |B| ≤ A + B? Explain.

  • Question 16 (request help)

    Which One Doesn’t Belong? Identify the expression that is not equal to the other three. Explain your reasoning.

Persevere with Problems Determine whether each statement is always, sometimes, or never true. Explain your reasoning.

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