harmonywilliams3064
22.09.2021 •
Mathematics
M is the midpoint of AB with a line of the top of it. If AM=2x+3 and AB = 34 what is MB=
?
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Ответ:
43
Step-by-step explanation:
AM must be a half of AB, because M is the midpoint of AB.
AM = 1/2AB
2x + 9 = 1/2(8x - 50)
Distribute 1/2 to (8x - 50).
2x + 9 = 4x - 25
Subtract 2x from both sides.
9 = 2x - 25
Add 25 to both sides.
34 = 2x
Divide both sides by 2.
x = 17
Now plug x into AM = 2x + 9.
AM = 2(17) + 9
AM = 34 + 9
AM = 43
Ответ:
20 cha
7/2
=3.5