juana18
29.09.2020 •
Mathematics
Line segment AB with endpoints A(4, 16) and B(20, 4) lies in the coordinate plane. What is the midpoint of segment AB?
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Ответ:
The midpoint is
( 12 , 10 )Step-by-step explanation:
The midpoint M of two endpoints of a line segment can be found by using the formula
where
(x1 , y1) and (x2 , y2) are the points
From the question the points are
A(4, 16) and B(20, 4)
The midpoint is
We have the final answer as
( 12 , 10 )Hope this helps you
Ответ:
4a + 10b = 8.75...multiply by -3
12a + 16b = 19.40...result of multiplying by 4
-12a - 30b = - 26.25...result of multiplying by -3
add
-14b = - 6.85
b = -6.85 / -14
b = 0.489 rounds to 0.49 <== price per banana
3a + 4b = 4.85
3a + 4(0.49) = 4.85
3a + 1.96 = 4.85
3a = 4.85 - 1.96
3a = 2.89
a = 2.89/3
a = 0.963 rounds to 0.96 <== price per apple