Answer:
1) 50.3
2) 24.5
3) 25 pi
Step-by-step explanation:
1)
≈50.3
2)
≈24.5
3)
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➷ Pick any two sets of values
I will just select the first two:
(-2,-9) , (1,3)
First, you need to find the slope
slope = difference in y values / difference in x values
slope = (3-(-9)) / (1-(-2))
slope = 12 / 3
slope = 4
Substitute the slope into the general equation of a line form with one of the coordinates:
3 = 4(1) + c
3 = 4 + c
c = -1
The equation would be y = 4x - 1
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Step-by-step explanation:
X-2=0 or x+10=0
X=2 or x=-10
Two roots
Answer:
To find the sum of interior angles in a polygon, we can use the formula:
where n is the number of sides.
Since this is pentagon (5 sides), then 
The missing angle would then be
Since angles on a straight line add up to 180, then
Answer:
7y = -4x + 8
Step-by-step explanation:
slope = -4/7
0 = -4/7(2) + b
b = 8/7
y = -4/7x + 8/7 or 7y = -4x + 8
