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Nataly_w [17]
3 years ago
11

How many 20 degree angles does it take to make a full turn?

Mathematics
1 answer:
scoundrel [369]3 years ago
3 0
There is 360* in a circle, so you would divide 360 by 20 to get 18. 
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Nutka1998 [239]

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3 years ago
What is the most convenient method to solve the quadratic equation ( x + 4 )² = 15
IgorC [24]

Answer:

Factoring

Step-by-step explanation:

(x+4)² = 15

x² + 8x + 16 = 15

x² + 8x + 1 = 0

x =  \frac{ - 8 +  \sqrt{64 - 4} }{2}  =  - 4 +  \sqrt{15}  \\  \\ x =  \frac{ - 8 -  \sqrt{64 - 4} }{2}  =  - 4 -  \sqrt{15}

I hope this helps you :)

7 0
2 years ago
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How many prime numbers are there between 0 and 25
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3 years ago
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Mandarinka [93]

Answer:

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the original q of x is 4x+2

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8 0
2 years ago
What is 4/7 divided by 2/7
Nina [5.8K]
To divide one fraction by another, invert (turn upside-down) the second fraction, then multiply.
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2 years ago
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