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Lynna [10]
3 years ago
7

In Juneau, Alaska, the temperature was -15°F in

Mathematics
1 answer:
andrew-mc [135]3 years ago
3 0
It was -15° initially and then dropped 9°
so, -15-9 which will be -24°F
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What are the endpoint coordinates for the midsegment of △PQR that is parallel to PQ¯¯¯¯¯?
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Answer:

M(x₄ ,y₄) = (-3.5 , 0.5)  and

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Step-by-step explanation:

Let the endpoint coordinates for the mid segment of △PQR that is parallel to PQ be

M(x₄ ,y₄) and N(x₅ ,y₅) such that MN || PQ

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Mid\ pointM(x_{4} ,y_{4})=(\frac{x_{1}+x_{3} }{2}, \frac{y_{1}+y_{3} }{2})

Mid\ pointN(x_{5} ,y_{5})=(\frac{x_{2}+x_{3} }{2}, \frac{y_{2}+y_{3} }{2})

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Mid\ pointM(x_{4} ,y_{4})=(\frac{-3+-4 }{2}, \frac{3+-2} }{2})

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∴ Mid\ pointM(x_{4} ,y_{4})=(-3.5, 0.5)

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Mid\ pointN(x_{5} ,y_{5})=(\frac{2+-4 }{2}, \frac{1+-2 }{2})

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∴ Mid\ pointN(x_{5} ,y_{5})=(-1, -0.5)

∴ M(x₄ ,y₄) = (-3.5 , 0.5)  and

  N (x₅ ,y₅) = ( -1 , -0.5 )

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