Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys

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  • Question 1 (request help)

    Which bottle of shampoo shown at the right costs less per ounce? 

    • \(\text{ The 16-ounces bottle}\)
    • \(\text{The 12-ounces bottle}\)
  • Question 2 (request help)

    An airplane is traveling at an average speed of 245 meters per second. How many kilometers per second is the plane traveling?

  •    \(\text{km/s}\)
  • Question 3 (request help)

    An Internet company charges $30 a month. There is also a $30 installation fee. Is the number of months you can have Internet proportional to the total cost? Explain.

  • Question 4 (request help)

    Damon runs 8 meters in 1 second, 16 meters in 2 seconds, 24 meters in 3 seconds, and 32 meters in 4 seconds. Determine whether Damon’s distance is proportional to the number of seconds he runs by graphing on the coordinate grid at the right. Explain your reasoning.

  • Question 5 (request help)

    Suppose 3 televisions weigh 240.6 pounds. How much do 9 of the same televisions weigh?

  •    \(\text{lb}\)
  • Question 6 (request help)

    The table and the graph show the amount of rainfall for 2 different days. Which day had a greater rate of change? Explain.


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