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chrissy
chrissy asked in Science & MathematicsMathematics · 3 years ago

suppose that the pizza has an average height of 1inch thought out the pizza. calculate the volume.?

large cheese pizza is 14 inches in diameter and it coast 13.99 before tax.

Update:

calculate the price per cubic inch for the large cheese pizza .

find the amount of pizza you get for each dollar you spend when you buy the large cheese pizza. show work

4 Answers

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  • billrussell42
    Lv 7
    3 years ago

    volume = πr²h = π7²1 = 147.7 in³

    $13.99 / 147.7 in³ = $0.095/ in³

    $1 / $0.095/ in³ = 10.6 in³

  • Puzzling
    Lv 7
    3 years ago

    Think of the pizza as a cylinder.

    The formula is:

    V = πr²h

    The diameter is 14 inches, so the radius (r) is 7 inches. The height is 1 inch.

    V = π•7²•1

    V = 49π

    V ≈ 154 cubic inches

    Dividing the cost (13.99) by the volume (154 cubic inches) you get the cost per cubic inch.

    ~$0.091 / cubic inch

    And the other way:

    154 cubic inch / $13.99

    ~ 11 cubic inches per $1

  • Mike G
    Lv 7
    3 years ago

    V = 49π in^3

    i) $13.99/[49π]

    ≈ 9.09 cents/in^3

    ii) 49π/13.99 =

    11 in^3/$

  • ted s
    Lv 7
    3 years ago

    obviously 49π cu in > 12 x 12 x 1 in pizza

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