Mathematics: Find the perimeter of this semi-circle with diameter 62cm. Give your answer as an expression in terms of Pi Please include the formula

Find the perimeter of this semi-circle with diameter

ashiteru123

27.04.2021

Step-by-step explanation:

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ijohnh14

05.01.2023

A. Mariah’s estimate of the time is too low.

Step-by-step explanation:

Here, the principal amount, P = $ 5270,

Annual rate of interest, r = 3.75 %,

Time, t = 9 years,

Number of quarters in 1 year, n = 4,

The amount after 9 years, compounded quarterly,

$A= P(1+\frac{r/n}{100})^{nt}$

$=5270(1+\frac{3.75/4}{100})^{4\times 9}$

$=5270(1+0.009375)^{36}$

$=5270(1.009375)^{36}$

$=5270\times 1.39923797861=7373.98414725\approx 7373.98$

Since, $ 7373.98 < $ 8,000.

Thus, his estimated time is too low,

⇒ Option 'A' is correct.

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