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aliya0001 [1]
4 years ago
8

What is the arc length if theta = 2pi / 3 and the radius is 4cm

Mathematics
1 answer:
omeli [17]4 years ago
3 0
Perimeter = 8*pie
So arc = (32*pie)/3
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Evaluate the expression<br> (-2)3•(-6)
den301095 [7]
(-2)3•(-6)
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3 years ago
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Need help ASAP.picture provides question
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Step-by-step explanation:

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drek231 [11]
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Select the graph that correctly represents ƒ(x) = –2(x + 4)2 – 1.Find the equation of the parabola with its focus at (3,4) and i
IgorC [24]

Answer:

Equation of parabola:  8*(y - 2) = (x - 3)^2

or

y = (1/8)*(x - 3)^2 + 2

Step-by-step explanation:

focus at (3,4) and its directrix y = 0.

Focus equation:  (h, k + c) = (3, 4)

Directrix equation  y =  k - c = 0

so  h = 3,   k + c = 4,   k - c = 0

Solve  the system :  k + c = 4 and k - c = 0

add the equations together:     k + c + k - c = 4 + 0

2k = 4

k = 2

so   k + c = 4,    2 + c = 4,   c = 2

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3 0
3 years ago
Ramon bikes every afternoon. He travels 4 1/4 miles in 1/4 hour. At what rate dies Ramon ride his bike in miles per hour
Colt1911 [192]
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Change to improper fraction:
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Answer: Ramon rides his bike at 17 miles/hour.
8 0
4 years ago
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