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poizon [28]
3 years ago
13

The diameter of Circle Q terminates on the circumference of the circle at (3,0) and (-4,0). Write the equation of the circle in

standard form. Show all of your work for full credit.
Mathematics
1 answer:
sladkih [1.3K]3 years ago
7 0

Answer: (x+0.5)^2+y^2=49

Step-by-step explanation:

Given

The diameter of circle terminates on the circumference with coordinates

(3,0) and (-4,0)

Distance between the two points is the diameter of the circle. The distance is given by distance formula i.e. d=\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}

Insert the values

\Rightarrow d=\sqrt{\left(-4-3\right)^2+\left(0-0\right)^2}\\\\\Rightarrow d=\sqrt{(-7)^2+0}\\\Rightarrow d=7\\\text{So, the radius is r=}3.5\ \text{units}

The center of the circle is the mid-point of the two points i.e.

\Rightarrow x=\dfrac{3-4}{2}\\\\\Rightarrow x=-\dfrac{1}{2}\\\\\Rightarrow y=\dfrac{0+0}{2}\\\\\Rightarrow y=0\\\Rightarrow (x,y)\rightarrow (-\dfrac{1}{2},0)

The equation of the circle is given by

\Rightarrow (x-(0.5))^2+(y-0)^2=7^2\\\\\Rightarrow (x+0.5)^2+y^2=49

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Well Exponents mean that you multiply the number 6 times. 
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-2^{6} = -2 x -2 x -2 x -2 x -2 x -2 = 64 

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5 0
3 years ago
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Three out of every 20 students in ms. jones’ Math class earned a grade of A. What percent of the students earned a grade of A?
erica [24]

Answer:

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6 0
2 years ago
Enter the range of values for x:<br> B<br> 15<br> 2x - 10<br> С<br> 48°<br> A<br> 18<br> [?] Enter
SOVA2 [1]
<h3>Answer:   5 < x < 29</h3>

=========================================

Explanation:

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At the same time, 2x-10 is also larger than 0.

Overall, we can say 0 < 2x-10 < 48

---------

Let's solve for x

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8 0
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Can you help me with this one plzzzzzzz
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8 0
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Arte-miy333 [17]
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36 is 40% less than 60
4 0
3 years ago
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