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2 years ago

Math stuff who ever answers right gets brainlest answer

Mathematics

1 answer:

lyudmila [28]2 years ago

6 0

Answer:

Median is 83

Range: 61

Step-by-step explanation:

The median is the number in the middle. The range is the max. number subtracted from the min number.

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12 divided by 8 in fractions equals what

Ilya [14]

12/8=
6/4=
3/2
Your answer in simplest form would be 3/2

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3 years ago

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Please check my answers. Thanks

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Which relation below is not a function?

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2 years ago

What is the radius of a circle given by the equation x2 + y2 – 2x + 8y – 47= 0? radius = units

il63 [147K]

ANSWER

The radius is 8

EXPLANATION

We were given,

${x}^{2} + {y}^{2} - 2x + 8y - 47 = 0$

We rewrite the above equation to obtain,

${x}^{2} - 2x \: \: \: \: + {y}^{2} + 8y \: \: \: \: = 47$

We now add half the square of the coefficient of
$x \: and \: y$
to both sides of the equation to get,

${x}^{2} - 2x + ( - 1) ^{2} + {y}^{2} + 8y + {(4)}^{2} = 47 + ( - 1) ^{2} + {4}^{2}$

We now got two perfect squares on the left hand side of the equation,

$(x - 1)^{2} + {(y + 4)}^{2} = 47 + 1 + 16$

$(x - 1)^{2} + {(y + 4)}^{2} =64$

$(x - 1)^{2} + {(y + 4)}^{2} = {8}^{2}$

By comparing to the general formula of the circle,

${(x - a)}^{2} + {(y - b)}^{2} = {r}^{2}$

We can see that the radius is 8.

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3 years ago

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Math stuff who ever answers right gets brainlest answer​

Math stuff who ever answers right gets brainlest answer