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____ [38]
2 years ago
9

Amswer plss in number 7 plsss

Mathematics
2 answers:
drek231 [11]2 years ago
5 0

a.{ m,e,a,i,t} This answer is certain

Scilla [17]2 years ago
4 0

Answer:

A

Step-by-step explanation:

union is U

A U B = m,e,a,t,i

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7.3 when rounded to the nearest tenth

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What is the equation of the circle with center (5,-4) and containing the points (5,-2)
gtnhenbr [62]

Answer:

The equation of a circle is (x-5)^2+(y+4)^2=4 .

Step-by-step explanation:

-The equation of a circle is:

(x-h)^2+(y-k)^2=r^2 (where center is (h,k), the point (x_{1},y_{1}) and the radius known as r).

-Use the center (5,-4) and the point (5,-2) for the equation:

(5-5)^2+(-2+4)^2=r^2

-Solve the equation:

(5-5)^2+(-2+4)^2=r^2

0 + (-2)^2=r^2

4 = r^2

\sqrt{4} = \sqrt{r^2}

2 = r

-After you found the radius, use the center (5, -4)  and radius 2 to get the equation of a circle:

(x-5)^2+(y+4)^2=2^2

-Then, after you have the equation, the radius needs to simplified by the exponent:

(x-5)^2+(y+4)^2=4

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3 years ago
Read 2 more answers
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