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anonymous

  • 5 years ago

trying to help my son, help on this: The distance a car travels is equal to the average speed times how long the car has traveled. Which equation should be used to find the speed ® of a car that averages traveling 100 miles in 1 ½ hours?

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  1. anonymous
    • 5 years ago
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    distance = speed / time speed = distance x time speed = 100 miles x 1.5 hours speed = 100 x ( 1.5 x 60 ) mins speed = 100 x (1.5 x 60 x 60 ) seconds = 540000 :)

  2. anonymous
    • 5 years ago
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    ok so the expression would be r=(100)(1 1/2)

  3. anonymous
    • 5 years ago
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    yes :)

  4. anonymous
    • 5 years ago
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    oh, i thought it wud be r=100/1 1/2

  5. anonymous
    • 5 years ago
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    no because the Distance equation is Speed / time .. and they want to know what is the speed so, speed is Distance times time.. hmm i think this is correct

  6. anonymous
    • 5 years ago
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    ok ok i see now, never been good at word problems i always have misread them

  7. anonymous
    • 5 years ago
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    can u help with another?

  8. anonymous
    • 5 years ago
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    hhh same here .. but please check it if its correct or not .. cuz am not that much sure .. and yeah sure .. wts the problem ?

  9. anonymous
    • 5 years ago
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    ok, i think ur right cause in begining it says car travels is equal to the average speed time how long the car has traveled so i guess u wud be right

  10. anonymous
    • 5 years ago
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    here is the secong one: A table cloth must exceed the area of the table that is to be covered by 25% Andrea needs to cover a rectangular table with length 3 feet and width 4 feet. Andreas tablecloth has a length of 3 feet 4 inches. Which inequality can be used to determine the possible width, w of the tablecloth? a. ¼(3*4)<3 1/3w b. ¼(3*4)>31/3w c. 5/4(3*4)<3 1/3w d. 5/4(3*4)>3 1/3w

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