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Darya [45]
3 years ago
7

How do you divide this as a mixed number. - 2/3 ÷ (- 1/2)

Mathematics
2 answers:
Wewaii [24]3 years ago
6 0
Use reciprocal of the second number
dezoksy [38]3 years ago
3 0
Recipricol the -1/2 to 2 and change the sign to multiply
-2/3 x 2 = -4/3
-4/3 = -1 1/3

-1 1/3 is your answer

hope this helps
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Answer:

\bold{(x+2))^2+(y-2)^2+(z-2)^2=17}

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Given the center of sphere is: (-2, 2, 3)

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First of all, let us have a look at the equation of a sphere:

(x-a)^2+(y-b)^2+(z-c)^2=r^2

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We are given both the points, so we can use distance formula to find the radius of the given sphere:

D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2+(z_2-z_1)^2}

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x_1 =0 \\y_1 =0 \\z_1 =0 \\x_2 =-2 \\y_2  =2 \\z_2 =3

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r = \sqrt{(-2-0)^2+(2-0)^2+(3-0)^2}\\\Rightarrow r = \sqrt{4+4+9} = \sqrt{17}

Therefore the equation of the sphere is:

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