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Paladinen [302]
3 years ago
7

Please help me!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Ainat [17]3 years ago
5 0

9514 1404 393

Answer:

  the correct answer is marked

Step-by-step explanation:

The circle with center (h, k) and radius r has equation ...

  (x -h)² +(y-k)² = r²

For the given center, that is ...

  (x -1)² +(y +1)² = r²

The value of r² can be found by using the given point for x and y, and seeing what value of r² makes the equation true.

  (5 -1)² +(7 +1)² = 4² +8² = 16 +64 = 80

So, r² = 80 makes the equation true, and that equation is ...

  (x -1)² +(y +1)² = 80

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Answer:

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Step-by-step explanation:

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3 years ago
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If the slope of GH is −4/5 and the slope of HJ is 3/4, find the slope of JK so that GHJK is a parallelogram. quick answer pls
sp2606 [1]

Answer:

Slope of JK = -4/5

Step-by-step explanation:

We know that GHJK is a parallelogram. If GHJK is a parallelogram then the sides of parallelogram will be:

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Hence the opposite sides will be:

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We know that opposite sides of parallelogram are parallel to each other and the slopes of parallel lines is equal.

So the slope of GH and JK will be equal.

And slopes of HJ and GK will be equal.

As we are given the slope of GH which is -4/5, the slope of JK will also be -4/5 because both lines are parallel.

6 0
3 years ago
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stich3 [128]

Answer:

Exact Form:  X = 44/15

Decimal Form:  X = 2.93¯

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Step-by-step explanation:

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Step-by-step explanation:

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