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joe is going to travel to dallas. he lives 320 miles away and can average 69 miles per hour. use an equation to represent the distance D from Dallas in terms of h, the number of hours joe has traveled

Respuesta :

Given parameters:

Distance = 320miles

Average speed  = 69miles per hour

Unknown;

A motion equation  = ?

Given that D should represent Distance

                  h number of hours traveled by Joe

Speed is a physical quantity defined as the distance divided by time taken.

It is mathematically expressed as;

             Speed  = [tex]\frac{Distance}{time taken}[/tex]

Now substitute D for distance and h for the number time;

          Speed  = [tex]\frac{D}{h}[/tex]

So distance;

          D = Speed x h

For this journey;

         D = 69h

The equation is D = 69h

Answer:

The answer is B. D=320-69h

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