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LenaWriter [7]
4 years ago
15

11. Use the above figure to answer the question. How long is arc ACB if the radius of the circle is 6? Round your answer to two

decimal places. A. 25.13 B. 18.86 C. 6.29 D. 12.57

Mathematics
2 answers:
d1i1m1o1n [39]4 years ago
7 0

Answer:25.13

Step-by-step explanation:


Varvara68 [4.7K]4 years ago
3 0
I have to assume that figures OAT and OBT are congruent.

If that is true, the center angle O (of the sector AOB= is 120° and the angle of the sector ACB is 360° - 120° = 240°

Now you can state that the circumferece of the circle / 360 ° = arc ACB / 240° and solve for arc ACB.

arc ACB = circumference * 240 / 360 = 2πr *240/360 = 2π(6)*240/360 = 25.13

Answer: option A. 25.13
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In constructing an inequality, you need to know the following:

1. What don't we know? How many songs can be bought? So, let x be the numbers of songs.
2. What do we know? Each songs costs $2 plus a fee for using the artist's site of $5.
3. Is there more than 1 possible solution? Yes, because there is enough money left if she only bought 1 song.

The meaning of no more than $40 means it must not exceed $40, $40 or less, or only $40.

So, song + fee can't be more than $40 and song + fee could equal to $40.

Therefore, song + fee for using an artist's site less than or equal to $40.
Final Answer: 2x+5 <= 40
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