Answer:
half dollar, quarter, dime and nickel
Step-by-step explanation:
When you sum it up it will give you 90 cents.
Answer:
its not 80k/3000 someone answer
Step-by-step explanation:
The slope of the tangent line to
at
is given by the derivative of
at that point:

Factorize the numerator:

We have
approaching -1; in particular, this means
, so that

Then

and the tangent line's equation is

(a) If

is the mass (in mg) remaining after

years, then


(b)

(c)