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never [62]
3 years ago
14

What are the angles of rotation for a 20-gon?

Mathematics
2 answers:
Ierofanga [76]3 years ago
5 0
The sum of the internal angles is 18*180=3240
3240\20=162 degrees.
Basile [38]3 years ago
4 0
There are 360 degrees so divide 360 by 20 and get 18 degrees
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What is the square root of 117, show your work.
RideAnS [48]
<h3>Answer:</h3>

It's approximately equal to 13.3.

<h3>Solution:</h3>
  • The square root of 117 is a surd, meaning that it can't be expressed as a fraction (in p/q form).
  • The square root of 117 is equal to
  • 13.3 (rounded to the nearest tenth)

Hope it helps.

Do comment if you have any query.

3 0
2 years ago
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You are presented with 9 coins from an archeological dig near the highlands of Tibet. One of them contains a precious jewel that
Grace [21]

Answer:

no

Step-by-step explanation:

5 0
3 years ago
Solve the system of equations. (1 point)
kotykmax [81]

Answer:

Answer (d):  (5, -2)

Step-by-step explanation:

Let's use the substitution method.  Eliminate "x" in the second equation.  Solving the first equation for x, we get  x = -3y - 1.  Subbing this for x in the second equation, we get:

2(-3y - 1) + 2y = 6, or, after multiplying as indicated,

-6y - 2 + 2y = 6.

Combining like terms,

-4y = 8, so that y = -2.  If y = -2, then x is found from x = -3y - 1 (see above):

x = -3(-2) -1 = 5

Then the solution is (5, -2)  (Answer d)

3 0
4 years ago
What are non examples of absolute value
Rudik [331]
A non example is -3 = -3

Or any other numbers equaling a negative
4 0
4 years ago
7th grade daughter lol. Please help a mom out!!!
dangina [55]

Answer:

plug each half of the ordered pair into the variable term. (x,y)

Step-by-step explanation:

For example (---,20) y=5x    20=5x divide by 5 on both sides 20/5= 4 x=4

6 0
3 years ago
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