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amm1812
3 years ago
8

JK has endpoints at J(5,9) and K(7, 7). Find the midpoint M of JK.

Mathematics
2 answers:
Basile [38]3 years ago
5 0

Answer:

J (7, 10)

K (3, 2)

Formula for midpoint:

x - coordinate for M:

y - coordinate for M:

Therefore, M (5,6).

Hope this helps :)

Step-by-step explanation:

Aleksandr-060686 [28]3 years ago
5 0

Answer:

(6,8  )

Step-by-step explanation:

Midpoint Formula: (\frac{x_1+x_2}{2},\frac{y_1+y_2}{2}  )

Simply plug in your coordinates into the midpoint formula to find midpoint:

(\frac{5+7}{2},\frac{9+7}{2}  )

(\frac{12}{2},\frac{16}{2}  )

(6,8  )

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<em>A.</em>

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Step-by-step explanation:

Given

P\ (a,b)

r = \± \sqrt{(a)^2 + (b)^2}

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Required

Where and which error did the student make

Given that the angle is in the 4th quadrant;

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Hence;

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Since a belongs to the x axis and b belongs to the y axis;

cos\theta is calculated as thus

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So, from the list of given options;

<em>The student's mistake is that a is positive in quadrant iv and his error is in step 3</em>

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Step-by-step explanation:

i dont understand what else the answer could be, due to the fact that not enough information if provided to result in a solid sum.

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