Answer:
The relative speed of the passing car is 13 miles per hour.
Step-by-step explanation:
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ST= 7.1 here is the work:
20 A strip of wood 78 inches long can be cut into 20 3 3/4 inch pieces. (78/3.75 = 20.8 Since you can't have a .8 piece of wood, the answer is 20)
I am guessing you want the equation, so here we go.
the equation of a line is:
y = mx + c
To find c, plug in the given
y = 4
x = 7
m = -4
4 = -4(7) + c
4 = - 28 + c
take -28 to the other side
4 = -28 + c
+28 +28
32 = c
equation of this line:
y = -4x + 32