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alexandr402 [8]
3 years ago
13

How do you find the arc length in a circle given any angle? Give an example.

Mathematics
1 answer:
gogolik [260]3 years ago
3 0
Measure of the central angle that created the arc, the angle of 2 radii, to caculate arc length . The arc length is the fractional amount of the circumference of the circle
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If a person invested half of her money at 9% and half at 7% and received $160 interest, find the total amount of money invested.
mr Goodwill [35]

Answer:

$2000

Step-by-step explanation:

let x be the money she invested

lets assume this was for 1 year

0.09(x/2) + 0.07(x/2) = 160

multiply each side by 2 to cancel the denominators:

0.09x + 0.07x = 320

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x = 2000

5 0
3 years ago
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Answer:

(A).

Step-by-step explanation:

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3 years ago
HELP PLEASE
Westkost [7]

Answer:

So in other words, each week he works, he gets an additional $10, to add to his collection of really $75.

Step-by-step explanation:

so, he has $85 in savings, and that he has the opportunity to gain allowance by the following function of 10(x-1).  

total funds(x) = 85 + 10(x-1)  

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T(x) = 10x + 75

8 0
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Step-by-step explanation:

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