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MAXImum [283]
3 years ago
8

PLEASE HELP, DUE! What is the measure in radians for the central angle of a circle whose radius is 6.5cm and intercepted arc len

gth is 5.7 cm round to the nearest hundredth if necessary.
Mathematics
1 answer:
snow_tiger [21]3 years ago
5 0

Answer:

Central Angle (radians) = arc length / radius

Central Angle (radians) = 5.7 / 6.5

Central Angle (radians) = 0.8769230769

Source: https://www.1728.org/radians.htm

Step-by-step explanation:


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It takes most oceans about 6 hours to go from high tide to low tide.Suppose that the water level decreases at a rate of 3 feet p
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Step-by-step explanation:

5 0
2 years ago
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3 0
4 years ago
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Pumps A, B, and C operate at their respective constant rates. Pumps A and B, operating simultaneously, can fill a certain tank i
jeka94

Let a,b,c be the time it takes for pumps A, B, and C (respectively) to fill 1 tank. Then

\begin{cases}\dfrac1a+\dfrac1b=\dfrac1{\frac65}=\dfrac56\\\\\dfrac1a+\dfrac1c=\dfrac1{\frac32}=\dfrac23\\\\\dfrac1b+\dfrac1c=\dfrac12\end{cases}

Now,

\left(\dfrac1a+\dfrac1b\right)-\left(\dfrac1a+\dfrac1c\right)=\dfrac56-\dfrac23\implies\dfrac1b-\dfrac1c=\dfrac16

Then

\left(\dfrac1b+\dfrac1c\right)+\left(\dfrac1b-\dfrac1c\right)=\dfrac12+\dfrac16\implies\dfrac2b=\dfrac23\implies b=3

This means

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\dfrac1a+\dfrac1b+\dfrac1c=1

or 1 tank in 1 hour, so the answer is D.

8 0
3 years ago
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