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Alex777 [14]
3 years ago
10

Find the midpoint of the segment with the following endpoints. (-1,3) and (-9, -7)

Mathematics
2 answers:
Pachacha [2.7K]3 years ago
7 0
The midpoint for theses should be (-5,-2)
Mrrafil [7]3 years ago
5 0
(-5,-2)
Average the x and y values
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What is another equivalent expression for -3(7 +5g)
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In ΔPQR, the measure of ∠R=90°, the measure of ∠P=26°, and PQ = 8.5 feet. Find the length of QR to the nearest tenth of a foot.
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Answer:

3.7feet

Step-by-step explanations

Using the sin rule

A/sin a = B/sin b

Let A = PQ = 8.5feet

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b = P = 26°

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8.5/sin90 = x/sin26

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5 0
3 years ago
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The length of a rectangle is 7 inches less than twice the width, w, of the rectangle.
Ivan

Answer:

Step-by-step explanation:

Let w represent the width of the rectangle.

The length of a rectangle is 7 inches less than twice the width, w, of the rectangle. It means that the length is (2w - 7) inches

Part A

The function that gives the area as a function of the width is

A(w) = w(2w - 7)

Part B:

If the area of the rectangle is 60 square inches, it means that

w(2w - 7) = 60

2w² - 7w = 60

2w² - 7w - 60 = 0

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2w(w + 4) - 15(w + 4) = 0

2w - 15 = 0 or w + 4 = 0

w = 15/2 or w = - 4

Since w cannot be negative, then

w = 15/2 = 7.5 inches

4 0
3 years ago
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