Homework Explained - Math Practice 101

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Grade 8 HMH Go Math - Answer Keys
Chapter 13:Volume; Lesson 3: Mixed Review

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  • Question 1 (request help)

    The bed of a pickup truck measures 4 feet by 8 feet. To the nearest inch, what is the length of the longest thin metal bar that will lie flat in the bed?

    • 11 ft 3 in.
    • 10 ft 0 in.
    • 8 ft 11 in.
    • 8 ft 9 in.
  • Question 2 (request help)

    Using 3.14 for \(\pi\), what is the volume of the cylinder below to the nearest tenth?

    • 102 cubic yards
    • 347.6 cubic yards
    • 1,091.6 cubic yards
    • 4,366.4 cubic yards
  • Question 3 (request help)

    Rhett made mini waffle cones for a birthday party. Each waffle cone was 3.5 inches high and had a radius of 0.8 inches. What is the volume of each cone to the nearest hundredth?

    • 1.70 cubic inches
    • 2.24 cubic inches
    • 2.34 cubic inches
    • 8.79 cubic inches
  • Question 4 (request help)

    What is the volume of a cone that has a height of 17 meters and a base with a radius of 6 meters? Use 3.14 for \(\pi\) and round to the nearest tenth.

    • 204 cubic meters
    • 640.6 cubic meters
    • 2,562.2 cubic meters
    • 10,249 cubic meters
  • Question 5 (request help)

    Using 3.14 for \(\pi\), what is the volume of the sphere to the nearest tenth?

    • 4,180 cubic centimeters
    • 5,572.5 cubic centimeters
    • 33,434.7 cubic centimeters
    • 44,579.6 cubic centimeters


  • Question 6 (request help)

    A diagram of a deodorant container is shown. It is made up of a cylinder and half of a sphere.

    Use 3.14 for \(\pi\) and round answers to the nearest tenth.
    a. What is the volume of the half sphere?

  •     \(\text{ cm}^3\)
  • Question 6 (request help)

    b. What is the volume of the cylinder?

  •     \(\text{ cm}^3\)
  • Question 6 (request help)

    c. What is the volume of the whole figure?

  •     \(\text{ cm}^3\)

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