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3 years ago

If M and N are midpoints in a diagram below, determine values for x and y

Mathematics

2 answers:

lianna [129]3 years ago

5 0

Research scientists use a standard practice called the _____ method to help them understand phenomena.

mezya [45]3 years ago

5 0

In a triangle the midline joining the midpoints of two sides is parallel to the third side and half as long ⇒
AС = 2*MN
3x + 10 = 2(x+5)
3x + 10 = 2x + 10
3x - 2x = 10 - 10
x = 0

M is a midpoint of AB ⇒
AM = BM
3y - 8 = 2(y+1)
3y - 8 = 2y + 2
3y - 2y = 2 + 8
y = 10

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Answer:

Step-by-step explanation:

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otez555 [7]

Answer:

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3 years ago

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3 years ago

Please help me. alg 2 Find the common ratio of the geometric sequence -13, 39, -117

grandymaker [24]

Answer:

-3

Step-by-step explanation:

you can divide the second term by the first term to solve

39/-13 = -3

then, I like to check that this fits with the third term

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