If the equation of a circle is (x + 5)2 + (y - 7)2 = 36, its center point is

Mathematics

1 answer:

Burka [1]3 years ago

3 0

Answer: (-5,7), with a radius of 6

Step-by-step explanation:

The center point coordinates are always opposite of those in the equation.

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Step-by-step explanation:

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3 years ago

What is an equation of the line that passes through the points (0, 3)<br> and (5, 3)?

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Answer:

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Step-by-step explanation:

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A town is fencing a rectangular field that is 200 feet long and 150 feet wide. At $10 per foot, how much will it cost to fence t

labwork [276]

Perimeter of a rectangle is

2*width + 2*length

then multiply the perimeter by the cost per foot

2*(150ft) + 2*(200ft)

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Answer: (60.858, 69.142)

Step-by-step explanation:

The formula to find the confidence interval for mean :

$\overline{x}\pm z_c\dfrac{\sigma}{\sqrt{n}}$ , where $\overline{x}$ is the sample mean , $\sigma$ is the population standard deviation , n is the sample size and $z_c$ is the two-tailed test value for z.