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Ber [7]
3 years ago
5

Find the center and radius of a circle given the equation:

20%28y%20%2B%203%29%5E%7B2%7D%20%3D%20%5Cfrac%7B16%7D%7B9%7D" id="TexFormula1" title="(x - 2)^{2} + (y + 3)^{2} = \frac{16}{9}" alt="(x - 2)^{2} + (y + 3)^{2} = \frac{16}{9}" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
dimulka [17.4K]3 years ago
3 0

Step-by-step explanation:

Equation of a circle is:

(x − h)² + (y − k)² = r²

where (h, k) is the center and r is the radius.

So in this case, the center is (2, -3) and the radius is 4/3.

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Really need help on #15 please.
ollegr [7]

Step-by-step explanation:

Let's call L the length and W the width.  The length is 10 feet longer than the width, so:

L = W + 10

The area is the length times width, so:

119 = LW

Substituting:

119 = (W + 10) W

119 = W² + 10W

0 = W² + 10W − 119

0 = (W + 17) (W − 7)

W = -17 or 7

Since W must be positive, W = 7.

L = W + 10

L = 17

The length and width are 17 feet and 7 feet, respectively.

5 0
4 years ago
What percent of students ran the mile in 12 minutes or less?
otez555 [7]
41% of students ran in 12 minutes or less.

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14/34 = 0.411 = 41%.
5 0
3 years ago
What frcation is equal to 4​
Korolek [52]
The answer is D
Explanation 4 ones is 4
5 0
2 years ago
PLEASE HELP TIMEDD
loris [4]
Correct answer: A) A = the card is red, B = the card is black

Because mutually exclusive means "cannot occur simultaneously."
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7 0
3 years ago
How do I add k to 17-7k​
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