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larisa [96]
3 years ago
10

Determine and state the coordinates of the center and length of the radius of a circle whose equation is

Mathematics
1 answer:
padilas [110]3 years ago
4 0
First, rewrite the equation in standard form.
The center-radius form of the circle equation<span> is in the format:
(x – h)^</span>2<span> + (y – k)^</span>2<span> = r^</span>2
<span>with the center being at the </span>point<span> (h, k) and the radius being "r".
</span>
(x-3)^2 + (y+4)^2 = 81

From here, you can determine the center and radius. The center is at (3,-4) and the radius is 9.

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Determine the total cost of 5.75 pounds of jellybeans using a proportion
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X=number of pounds
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3 years ago
Plot and connect the points A (-4, -5), B (-2, -3), C (4, -3), D (6, -2), E (6, 6), F (-1, 6), G (-4, 2), and find the length of
eimsori [14]

Answer:

The length <u>EF</u> is 7 units.

Step-by-step explanation:

The length between the points E and F, using the plot below, is:

\bar{EF}=7\: u

Therefore the <u>length EF is 7 units.</u>

I hope it helps you!

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6 0
3 years ago
Read 2 more answers
Mr. West estimated a mass to be 265g, but upon carefully measuring it, found the actual mass to be 240g. What was the percent er
spayn [35]

Answer:

<h3>The answer is 10.42 %</h3>

Step-by-step explanation:

The percentage error of a certain measurement can be found by using the formula

P(\%) =  \frac{error}{actual \:  \: number}  \times 100\% \\

From the question

actual mass = 240 g

error = 265 - 240 = 25

So we have

p(\%) =  \frac{25}{240}  \times 100  \\  = 10.41666666...

We have the final answer as

<h3>10.42 %</h3>

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