the greater roadrunner bird can run 14 miles per hour that's 7 times faster than an ostrich can walk how fast does an ostrich wa
1 answer:
Answer: An ostrich can walk with a speed of 2 miles per hour.
Step-by-step explanation:
Speed of roadrunner bird=14 miles per hour
Let x be the speed of ostrich egg.
Given that : A the greater roadrunner bird can run 7 times faster than an ostrich can walk.
⇒ Speed of roadrunner bird=7x
⇒7x= 14 miles per hour.
Therefore, speed of ostrich egg=2 miles per hour.
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Given :
The percent of concentration of a certain drug in the bloodstream x hours after the drug is administered is given by .
To Find :
Find the time at which the concentration is a maximum. b. Find the maximum concentration.
Solution :
For maximum value of x, K'(x) = 0.
Since, time cannot be negative, so ignoring x = -3 .
Putting value of x = 3, we get, K(3) = 15/( 9 + 9) = 5/6
Therefore, maximum value drug in bloodstream is 5/6 at time x = 3 units.
Hence, this is the required solution.