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sergeinik [125]
3 years ago
9

A circle has a radius of 13in . find the radian measure of the central angle ? that intercepts an arc of length 15in

Mathematics
1 answer:
steposvetlana [31]3 years ago
7 0
Find the circumference which is 2*3.14*13 and then usethe central angle formula
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Does 2, 5, and 7 make a right triangle
MakcuM [25]

Answer:  No, we don't have a right triangle

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Explanation:

If a triangle with sides a,b,c makes the equation a^2+b^2 = c^2 true, where c is the longest side, then this triangle is a right triangle. This is the converse of the pythagorean theorem.

Here we have a = 2, b = 5 and c = 7.

So...

a^2+b^2 = c^2

2^2+5^2 = 7^2

4+25 = 49

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The last equation is false, so the first equation is false for those a,b,c values. Therefore, we do <u>not</u> have a right triangle.

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In contrast, consider the classic 3-4-5 right triangle

a = 3, b = 4 and c = 5 would make a^2+b^2 = c^2 true because 3^2+4^2 = 5^2 is a true equation (both sides lead to 25).

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Consider the sequence below. What is the 10th term of the sequence?
ahrayia [7]

Answer:

the right answer is a) 23

Step-by-step explanation:

because when we analyze the sequence it is observed that all the numbers are added the value of 3, therefore when arriving at position 10 the sum is 23

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HELP PLEASE ASAP! Tell how you found 2k + 10! 20 points!
Ivan

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Step-by-step explanation:

Factor 2k+10

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2(k+5)

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