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steposvetlana [31]
2 years ago
8

Find each sum.

Mathematics
2 answers:
Ilya [14]2 years ago
6 0
(3n2-5n+6)+(-8n2-3n-2)
3n2-5n+6-8n2-3n-2
Collect like terms
3n2-8n2-5n-3n+6-2
-5n2-8n+4
yuradex [85]2 years ago
3 0

Answer:

1) C    2) 4, 11, 5

Step-by-step explanation:

Edgenuity, Just got it right

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Find the coordinates of the point P that divides the directed line segment from A to B in the given ratio.
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Answer:

P ( -1, -3)

Step-by-step explanation:

Given ratio is AP : PB = 3 : 2 = m : n  and points A(5,6) B(-5,-9)

We will calculate coordinates of the point P which divides line segment AB

in the following way:

xp = (n · xa + m · xb) / (m+n) = (2 · 5 + 3 · (-5)) / (3+2) = (10-15) / 5 = -5/5 = -1

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