Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys


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Independent Practice

For Exercises 1 and 2, uses table to solve.Then explain your reasoning.

  • Question 1 (request help)

    An adult elephant drinks about 225 liters of water each day. Is the number of days the water supply lasts proportional to the number of liters of water the elephant drinks?
    • yes
    • no
  • Question 2 (request help)

    An elevator ascends,  or goes up, at  a rate of 750 feet per rninute. Is the height to which the elevator ascends proportional to the number of minutes it takes to get there?
    • yes
    • no
  • Question 3 (request help)

    Which situation represents a proportional relationship between the number of laps run by each student and their time?
  •    

Copy and Solve Use a table to help you solve. Then explain your reasoning. Show your work on a separate piece of paper.

  • Question 4 (request help)

    Plant A is 18 inches tall after one week, 36 inches tall after two weeks, 56 inches tall after three weeks. Plant B is 18 inches tall after one week, 36 inches tall after two weeks, 54 inches tall after three weeks. Which situation represents a proportional reletionship between the plants' height and number of weeks?
  •    
  • Question 5 (request help)

    Determine whether the measures for the figure shown are proportional.

    a. the length of a side and the perimeter
  •    

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