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pav-90 [236]
3 years ago
8

Find the length of the arc on a circle of radius 12 feet intercepted by a central angle of 150°.

Mathematics
1 answer:
stich3 [128]3 years ago
5 0
Let A = arc length of circle

A = 2πr•(degree/360°)

A = 2π(12)(150°/360°)

A = 24π(150°/360°)

Calculate the right side to find A and you're done. Take it from here.
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Find the surface area and volume of the figure
cupoosta [38]

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Hope this helps :)

If you want me to show you how I got it just let me know

6 0
3 years ago
Read 2 more answers
Which is the first step in simplifying the expression?
Elenna [48]
\dfrac{3}{2 +  \sqrt{2} }

To rationalise the denominator, this is a standard step:
= \dfrac{3}{2 + \sqrt{2} } \times  \dfrac{2 - \sqrt{2}}{2 - \sqrt{2}}

Answer: Option A

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

Let me continue to complete the question, though it is not ask for

= \dfrac{3(2 - \sqrt{2})}{(2 + \sqrt{2)}(2 - \sqrt{2}) }

= \dfrac{3(2 - \sqrt{2})}{4 - 2 }

= \dfrac{6 - 2\sqrt{2}}{2 }
5 0
4 years ago
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Can some on help me on this question?
mario62 [17]

Answer:

x=10 and x-7 is the answer

Step-by-step explanation:

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2x=20

x=20/2

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b)3x+4=25

3x=25-4

3x=21

x=21/3

x=7

i hope it will help you

6 0
3 years ago
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My mom packed my lunch three of the past five days, so the probability of my mom packing my lunch is 3/5. Is this Experimental o
Crank

Answer:

definitely theoretical.  Seems how mom packed the lunch 3/5 times a week, the pattern will follow

Step-by-step explanation:

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3 years ago
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