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3 years ago

In the following figure, JL is tangent to circle o at point K.

Mathematics

1 answer:

mixer [17]3 years ago

6 0

Answer:

Step-by-step explanation:

the angle formed by radius and tangent are right angles

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kifflom [539]

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2 years ago

Please need help on this

artcher [175]

Answer:

the center is (-4,7) and the radius is 3

Step-by-step explanation:

The center of a circle can be found using the equation $(x-h)^2 + (y-k)^2 = r^2$ and is (h,k) from it. Notice h and k are the opposite value as in the equation.

First write the equation in this form.

$x^2 + 8x + ( ?)+ y^2 - 14y + (?) + 56 = 0$

Complete the square with each variable to find what numbers should go in place of the question marks.

$(8/2)^2 = 4^2 = 16$

$(-14/2)^2 = -7^2 = 49$

Add 16 and 49 to both sides of the equation.

$x^2 + 8x + 16 + y^2 - 14y + 49 + 56 = 16 + 49\\(x+4)^2 + (y-7)^2 + 56 = 65\\(x+4)^2 + (y-7)^2 = 9$

So the center is (-4,7) and the radius is 3.

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3 years ago

Generate two equivalent fractions for each fraction. Use fraction tiles or number lines.

oksano4ka [1.4K]

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3 years ago

Tom has two pieces of wood to build a birdhouse. one piece is 3/4 yard long. The other piece is 4/8 yard long. Tom says both pie

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3 years ago

Input the expression x +9/2

Allisa [31]

Answer:

(x+9)/2

Step-by-step explanation:

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