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The weight needed to balance a lever varies inversely with the distance from the fulcrum to the weight. A 120-lb weight is placed on a lever, 5 ft from the fulcrum. What amount of weight, in pounds, should be placed 8 ft from the fulcrum to balance the lever?

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6 answers

  1. 1. if 9 students sharpen 18 pencils in 2 minutes, how many students will it take to sharpen 18 pencils in 1 minute?
    C. 18
    2.if y varies inversely with x, and y=-16 when x=-64, what is the constant of variation?
    D. 1,024
    3. The points (3,8) and (x,6) are on the graph of an inverse variation. What is the missing value?
    A. 4
    4. the weight needed to balance a lever varies inversely with the distance from the fulcrum to the weight. A 120-lb weight is placed on a lever, 5 ft from the fulcrum. What amount of weight, in pounds, should be placed 8 ft from the filcrum to balance the lever?
    B. 75
    5. In the inverse variation equation (xy)/4=-3, what is the constant of variation?
    C. -12
    What is the graph of y=4/x?
    A. The line in the top right starts at 1,4 and curves to 4,1 passing through 2,2. The line in the bottom left starts at -4,-1 and curves to -1,-4 passing through 2,2

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  2. ^^^ A. The line in the top right starts at 1,4 and curves to 4,1 passing through 2,2. The line in the bottom left starts at -4,-1 and curves to -1,-4 passing through ***-2,-2***

    Sorry!

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  3. they are right

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  4. Lesson 6 unit 6, Inverse Variation is correct! Thank you so much

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  5. Thanks, @Lesson 6 unit 6, Inverse Variation quick check!!!!!!
    Still correct in June 2022!!!

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  6. 120*5=W*8

    Weight=5/8 * 120

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