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LenaWriter [7]
3 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]3 years ago
7 0

Answer:25.13

Step-by-step explanation:


Varvara68 [4.7K]3 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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See below

Step-by-step explanation:

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4 0
3 years ago
What's the answer? Can't figure it out
soldier1979 [14.2K]
9x⁹ - 90x⁸ - 351x⁷

What do each of these numbers have in common?

They ALL have 9x⁷ in them!

So, divide each one of these by 9x⁷

9x⁹ ÷ 9x⁷ = 9x²

-90x⁸ ÷ 9x⁷ = -9x

-351x⁷ ÷ 9x⁷ = -39

So, factorized completely, it is :

9x² - 9x - 39

~Hope I helped!~


4 0
3 years ago
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Step-by-step explanation: In the picture

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Write an equation to model growth or decay in the following scenario. A stock is declining at a rate of 25% of its value every 2
yawa3891 [41]

The exponential function that models this situation is:

y(t) = 225(0.75)^{\frac{t}{2}}

------------------------------------------

A decaying exponential function has the following format:

y(t) = y(0)(1 - r)^t

In which:

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  • r is the decay rate, as a decimal.

In this problem:

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  • Declines at a rate of 25% every 2 weeks, thus r = 0.25, t = \frac{t}{2}

The equation is:

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A similar problem is given at brainly.com/question/24282972

3 0
2 years ago
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