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Mazyrski [523]
3 years ago
15

Find an equation of the circle that has center .(-4, -3) and passes through (5,5).

Mathematics
1 answer:
Leno4ka [110]3 years ago
5 0

Answer:

<em>(x+4)^2 + (y+3)^2 = 145</em>

Explanation:

Using the circle equation (x-h)^2 + (y-k)^2 = r^2

We know that the center of the circle is (h,k). But to find the working radius that passes through the desired point, substitute that point into the x, and y, and add them up.

(x+4)^2 + (y+3)^2 = (5,5) → (5+4)^2 + (5+3)^2 = 9^2 + 8^2 = 81 + 64 = <u>145</u>

*Magic*

Now try and substitute the other point into the equation

(5,5) → (x+4)^2 + (y+3)^2 = 145 → (5+4)^2 + (5+3)^2 = 145 → 9^2 + 8^2 = 145 → 81 + 64 = 145 → <u>145 = 145</u>

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A farmer harvested some of his pecan crops on Friday and Saturday.what fraction of the pecan crop was harvested in two days
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Answer:

Hence the 3.28 %or 2/61  of total work will be done .

Step-by-step explanation:

Given:

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What fraction these 2 days corresponds to the harvesting days?

Solution;

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7 0
3 years ago
B) Make b the subject of the formula a = 4 - 3b​
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