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rhyanebean6443
19.11.2020 •
Mathematics
While chasing its prey, a cheetah is running slowly and then increases its speed by 50.6 miles per hour to reach a top speed of 70 miles per hour. What is the cheetah's initial speed? And what is the answer in miles per hour
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Ответ:
The Cheetah's initial speed is 19.4 miles per hour
Step-by-step explanation:
Since the Cheetah is initially running and then gradually increases its speed by 50.6 miles per hour to reach a top speed of 70 miles per hour, let the Cheetah's initial speed be u.
Also, let the increase in the Cheetah's speed be Δu and let v be the Cheetah's final speed.
Now, the final speed, v = initial speed, u + change in speed, Δu
So, v = u + Δu
So, the Cheetah's initial speed is u = v - Δu
Now, v = 70 mi/h and Δu = 50.6 mi/h
Substituting v and Δu into the equation, we have
u = v - Δu
u = 70 mi/h - 50.6 mi/h
u = 19.4 mi/h
So, the Cheetah's initial speed is 19.4 miles per hour
Ответ:
slope=1.5
Step-by-step explanation:
m= rise/run= y^2-y^1/x^2-x^1
m=6.20-3.50/4.8-3
m=2.7/1.8
m=1.5