Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  Test Practice  

  • Question 28 (request help)

    The volume of a golf ball is about \(41.63\text{ cm}^{3}\). Select the correct values to complete the formula below to find the radius of a golf ball.

    To the nearest hundreth, what is the radius of the golf ball?
  •     cm
  • Question 29 (request help)

    Refer to the hemisphere shown. Fill in each box to make a complete statement. Round to the nearest tenth if necessary.

    a. The radius of the hemisphere is _____ feet.

    b. The volume of a sphere with a diameter of 9 feet is _____ cubic feet.

    c. The volume of the hemisphere is _____ cubic feet.
  • The radius of the hemisphere is     feet.
    The volume of a sphere with a diameter of 9 feet is     cubic feet.
    The volume of the hemisphere is     cubic feet.

  Spiral Review  

Find the circumference and area of each circle. Round to the nearest tenth.

 

  • Question 30 (request help)

  • Circumference:     in.
    Area:     \(\text{in.}^{2}\)
  • Question 31 (request help)

  • Circumference:     mm
    Area:     \(\text{mm}^{2}\)
  • Question 32 (request help)

  • Circumference:     ft
    Area:     \(\text{ft}^{2}\)
  • Question 33 (request help)

  • Circumference:     m
    Area:     \(\text{m}^{2}\)
  • Question 34 (request help)

    Find the area of a circle with a radius of 6 centimeters. Round to the nearest tenth.
  •     \(\text{cm}^{2}\)
  • Question 35 (request help)

    Find the area of a circle with a diameter of 13.1 centimeters. Round to the nearest tenth.
  •     \(\text{cm}^{2}\)
  • Question 36 (request help)

    A conical icicle has a volume of about 12 cubic inches. If the icicle has a height of 8 inches, what is the diameter of the icicle?
  •     in.

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