A frog is sitting on a stump 6 feet above the ground. It hops off the stump and lands on the ground 4 feet away. During its leap, its height h is given by the equation h equals negative 0.5 x squared plus 0.5 x plus 6
h=−0.5x2+0.5x+6 where x is the distance in feet from the base of the stump, and h is height in feet. How far was the frog from the base of the stump when it was 3.71 feet above the ground?

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-362

step-by-step explanation:

(12)(4)+2(12)-34(12)+2(12)-3

  \/         \/         \/         \/

  48 +   24 -   408 + 24 - 3

      \   /               \   /

          72     -     432 - 3 = -363

54 kilometers per hour

step-by-step explanation:

according to rules:

1 km = 1000 meter

which means that 1 meter = 1/1000 km

1 hour = 3600 second [ as 1 hour = 60 min = 60 *60 seconds ]

which means that 1 second = 1/3600 hour

therefore, 1 kilometer/hour =

thus to convert 15 meter per second to kilometer per hour, we multiply 15 to 3.6 kilometer/hour.

15 meter/second=   which is the required answer.

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step-by-step explanation: