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shepuryov [24]
3 years ago
13

In a circle with a radius of 12.6 ft, an arc is intercepted by a central angle of 2π/7 radians.

Mathematics
2 answers:
Hitman42 [59]3 years ago
6 0
11.30
just convert it :)
NeX [460]3 years ago
3 0
Arc Length = Ф/2π * 2πr

l = 2π/14π * 2 * 3.14 * 12.6

l = 1/7 * 79.128

l = 11.30

In short, Your Answer would be: 11.30 Feet

Hope this helps!
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3 years ago
Ramon uses models to compare two decimial he says 0.09 greater than 0.1 because 9>1 which of these explain ramon's mistake
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5 0
2 years ago
Shawna invests $5,048 in a savings account with a fixed annual interest rate of 4% compounded 12 times per year. How long will i
Elena-2011 [213]

Answer:

5 years

Step-by-step explanation:

In the question we are given;

  • Amount invested or principal amount as $5048
  • Rate of interest as 4% compounded 12 times per year
  • Amount accrued as $6,163.59

We are required to determine the time taken for the money invested to accrue to the given amount;

Using compound interest formula;

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

where n is the interest period and r is the rate of interest, in this case, 4/12%(0.33%)

Therefore;

6,163.59=5,048(1+\frac{0.333}{100})^n

1.221=(1+\frac{0.333}{100})^n

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introducing logarithms on both sides;

log1.221=log(1.0033)^n\\n=\frac{log1.221}{log1.0033} \\n=60.61

But, 1 year = 12 interest periods

Therefore;

Number of years = 60.61 ÷ 12

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Therefore, it will take 5 years for the invested amount to accrue to $6163.59

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