A vehicle travels a distance of 5t4 − 10t2 + 6 miles in t + 2 minutes. What is the vehicle's speed?
2 answers:
Answer:
The speed is 5t^3 - 10t^2 + 10t - 20 + 46/(t+2) miles per minute
Step-by-step explanation:
Let distance be s and velocity be v
s = 5t⁴ - 10t² + 6
We know velocity is the change in distance per unit time, so
v = ds/dt
v = 20t³ - 20t
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Step-by-step explanation:
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3% x 10 years is 30%. 47 - 30% is 14.1 or 14
1 mile=5280 feet how about 52800
1 x 52800 divided by 5280=10 miles
15 the answer is 15 because 15 x 5 = 75
