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harmony000011
09.05.2021 •
Mathematics
HELP PLEASE
the area of a circle is (pi)r2
first let me find what is the radius
4.5 2 = 2.25
2.25 - 1.5 = 0.75
2.25 times 2.25 times (pi) which is (3.14) = 15.896
0.75 times 0.75 times (pi) which is (3.14) = 1.76625
and subtract
15.896 - 1.76625 = 14.12975cm^2
Solved
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Ответ:
h(x) * s(x) = 200(1.05)^(x - 1)
Step-by-step explanation:
Our interest equation is s(x) = (1.05)^(x - 1). This is actually a part of a bigger formula for calculating the amount of money accumulated including interest:
A = P(1 + r)^n, where A is the total, P is the principal amount (initial amount), r is the interest rate, and n is the time
Here, we technically already have the (1 + r)^n part; it's just (1.05)^(x - 1). The principle, though, will actually be the 200 because she starts out at $200.
Thus, to combine these, we simply multiply them together to get:
h(x) * s(x) = 200(1.05)^(x - 1)