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3 years ago

Order from greatest to least 10.9, 10 2/5, 10 1/4

Mathematics

1 answer:

Ede4ka [16]3 years ago

3 0

Answer:10.9,,,,,10 2/5,,,,,10 1/4

Step-by-step explanation:

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The equation of a circle is ( x - 3) 2 + ( y + 2) 2 = 25. The point (8, -2) is on the circle.

Shtirlitz [24]

Answer:

x =8 is the equation of the tangent.

Step-by-step explanation:

Here the equation of the given circle is: $(x-3)^{2} + (y+2)^{2} = 25$

Now, comparing it with the general equation of circle: $(x-h)^{2} + (y -k)^{2} = r^2$

we get the central coordinates (h,k) = (3,-2)

So, the slope of the line joining center and (8, -2) = $\frac{-2 -(-2)}{8-3} = \frac{0}{5} = 0$

Since the slope of line = 0, line is parallel to x axis.

Now, as tangent and the line is perpendicular to each other

⇒Slope of the tangent = -1/ slope of the line = $\frac{-1}{0}$

Now, by point slope formula: the equation of the tangent is

(y-y0) = m (x-x0)

or, $(y +2) = \frac{-1}{0} (x -8)$

or x =8 is the equation of the tangent.

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3 years ago

Which statement is true about the function f(x)= StartRoot negative x EndRoot?

sveticcg [70]

Because x is negative the domain of the function is all negative real numbers.

Set the radical greater than or equal to 0:

-x >= 0

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X <= 0

Domain is all real numbers below 0 so all negative real numbers.

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if all of the medians of a triangle were constructed, what would the point where they all intersect be called?

Lubov Fominskaja [6]

Answer:

i think its centroid not sure though.

Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

(0,2)

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