Answer:
The best approximation is the point 
Step-by-step explanation:
we know that
Observing the figure
The x-coordinate of the relative maximum belong to the interval ----> 
The y-coordinate of the relative maximum belong to the interval ----> 
see the attached figure to better understand the problem
therefore
The best approximation is the point
You have to multiply, so you get 7 1/2
Answer:
20 is the father's 20 is the son
Step-by-step explanation:
20+20=40
40/2=20
40-20=20
another way:
20:n= 40
40-20=20
20:20=40
This answer is 135.
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Answer:
∠ A = 62°
Step-by-step explanation:
The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.
116° is an exterior angle of the triangle, then
3x - 13 + 2x + 4 = 116
5x - 9 = 116 ( add 9 to both sides )
5x = 125 ( divide both sides by 5 )
x = 25
Then
∠ A = 3x - 13 = 3(25) - 13 = 75 - 13 = 62°
