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Flauer [41]
3 years ago
9

The equation of a circle is X +10 squared plus Y -4 squared equals 100 what is the center of the circle

Mathematics
2 answers:
Dmitrij [34]3 years ago
5 0

Answer:

Step-by-step explanation:

eq of circle is (x-h)²+(y-k)²=r²

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

given eq. of circle is (x+10)²+(y-4)²=100

or {x-(-10)}²+(y-4)²=10²

center is (-10,4)

and radius =10 units

ikadub [295]3 years ago
3 0

Answer:

The center of the circle would be the point (-10,4).

Step-by-step explanation:

When an equation for a circle is written in the center-radius form, it makes it easier to tell where the center will lie.

The traditional equation for a circle is (x-h)²+(y-k)²=r², with the center of (h,k) and a radius of r, can be applied to this situation. Since the given equation has a value added to the x within the parentheses, the formula tells us that it must be a negative point, so we have x=-10. Similarly we can easily pull out the y-coordinate which would just be 4.

Thus, the answer is (-10,4).

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Answer:

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Step-by-step explanation:

You can express this as a system of equations:

x in this instance will be her present age.

x + 8 = 2x + 3

simply solve for x after this by subtracting three and x from both sides, and you’ll find that x is 5.

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4 years ago
The weight of 10 identical samples of a substance is 0.1 pound, what is the weight of 100 samples
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3 years ago
The sides of a rectangle have length x+ 2 and width x -5. Which equation describes the area, A, of the rectangle in terms of x?​
Yakvenalex [24]

Answer:

The area in factored form is A=(x+2)(x-5).

The area in standard form is A=x^2-3x-10.

Step-by-step explanation:

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So the area here is (x+2)(x-5).

They are probably not looking for A=(x+2)(x-5) because it requires too little work.

They probably want A in standard form instead of factored form.

Let's use foil:

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Inner: 2(x)=2x

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---------------------Adding together:  x^2-3x-10.

The area in factored form is A=(x+2)(x-5).

The area in standard form is A=x^2-3x-10.

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True
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