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Elodia [21]
3 years ago
6

What is the number of degrees in the measure of each exterior angle of a regular polygon of 18 sides?

Mathematics
1 answer:
cestrela7 [59]3 years ago
6 0
Each angle would be 160 degrees. to get the answer to this you take the number of sides (n) and subtract 2 then multiply by 180 and divide by n
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PLEASE HELP 100 POINTS!!
tresset_1 [31]

y = x^2 + 5x -3

y-x =2

Replace y in the second equation with the first one:

x^2 + 5x -3 - x = 2

Simplify by combining like terms:

x^2 + 4x -3 = 2

Subtract 2 from both sides:

x^2 + 4x -5 = 0

Fctor the polynomial:

(x-1) (x+5) = 0

Solve for both X's:

x = 1 and x = -5

Now replace x in the second equation with both value and solve for y:

y -1 =2, y = 3

y - -5 =2, y +5 = 2, y = -3

Now combine the sets of answers:

(1,3) and (-5,-3)

3 0
3 years ago
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..............................................................help me
NeTakaya

Answer:

8 & 2

Step-by-step explanation:

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6 0
3 years ago
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Ira Lisetskai [31]

y increases as x increases

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3 years ago
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What is the equation of the line that is parallel to the line 5x + 2y = 12 and passes through the point (−2, 4)?
GrogVix [38]
First find the slope of the given line like this:
5x + 2y = 12\\2y=-5x+12\\y=\frac{-5}{2}x+6
If two lines are parallel, then they have the same slope, so the equation we are looking for is in the form:
y=\frac{-5}{2}x+a and we have to find b using the given point like this:
Substitute x = -2 and y=4 in the above equation like this and solve for a:
4=\frac{-5}{2}(-2)+a 
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The equation of the line is then the following:
y=\frac{-5}{2}x-1.
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3 years ago
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Add 6 5/6 + ( -6 1/5 )
Rudiy27

Answer:

0.63

Step-by-step explanation:

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3 years ago
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