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A roller coaster begins at 90 feet above ground level. Then it descends 105 feet. Find the height of
the coaster after the first descent​

Respuesta :

Answer:

There are 2 ways of righting this:

Method 1: height is 15 feet below ground level

Method 2: height is -15 feet ( a negative value )

Step-by-step explanation:

Drawing a sketch helps in understanding the question:

'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Distance of travel is more than height above ground. So it ends up below ground (presume in a cut out).

Distance below ground is

105−90=15 feet

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