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IRINA_888 [86]
4 years ago
5

If g = 5 and k = 1, evaluate 9 + gk

Mathematics
1 answer:
uranmaximum [27]4 years ago
5 0

Answer:

14

Step-by-step explanation:

as we know that g=5 and k=1, we can plug these into the expression

9+gk\\\\9+(5)(1)\\\\9+5\\\\14

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<span>s=square root 30df, where d represents the length of the skid marks in feet and "f" represents the drag factor of the road. A vehicle that was involved in an accident on an asphalt road was traveling at a speed of 45 mph when it started skidding. If the drag factor for asphalt is 0.75 find the length of the skid marks made by the car.
S = sqrt(30df) 
45 = sqrt(30*d*0.75)
----
45 = sqrt[(90/4)d]
-----
45 = (3/2)sqrt(10d)
30 = sqrt(10d)
10d = 900

d = 90 ft.
================
Cheers,
Stan H. 
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