Answer:
Work Shown:
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<span>She subtracted the GCF from the second term in the expression instead of dividing.</span>
Step-by-step explanation:
A weather balloon is released and rises vertically such that its distance s (t) above the ground during the first 10 sec of flight is given by :
...(1)
(a) We need to find velocity at t = 4 seconds
Differentiate equation (1) wrt t.
At t = 4 seconds,
At t = 4 seconds, the velocity is 10 ft/s.
(b) When the balloon is 50 feet above the ground,
We need to find t.
It is a quadratic equation,
t = 5.708 and t = -7.708
Neglecting negative time, the instant time is 5.708 seconds.
Let's break down 3,290 into number categories.
The 3 is in the thousands place.
The 2 is in the hundredths place.
The 9 is in the tens place.
The 0 is in the ones place.