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dmitriy555 [2]
3 years ago
9

PLEASE ANSWER THIS AS SOON AS POSSIBLE

Mathematics
1 answer:
frutty [35]3 years ago
3 0
What you have to do is multiply 0.42 by 8.3 million, then add that number to 8.3 million and you will have the total number of college students.
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Which equation represents a circle that contains the point (-5, 3) and has a center at (-2, 1)? Distance formula: vaa -02 (x - 1
natali 33 [55]

Given:

The center of the circle = (-2,1).

Circle passes through the point (-5,3).

To find:

The equation of the circle.

Solution:

Radius is the distance between the center of the circle and any point on the circle. So, radius of the circle is the distance between the points (-2,1) and (-5,3).

Distance=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

r=\sqrt{(-5-(-2))^2+(3-1)^2}

r=\sqrt{(-5+2)^2+(2)^2}

r=\sqrt{(-3)^2+(2)^2}

On further simplification, we get

r=\sqrt{9+4}

r=\sqrt{13}

The standard form of a circle is:

(x-h)^2+(y-k)^2=r^2

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

Substitute h=-2, k=1 and r=\sqrt{13}.

(x-(-2))^2+(y-1)^2=(\sqrt{13})^2

(x+2)^2+(y-1)^2=13

Therefore, the equation of the circle is (x+2)^2+(y-1)^2=13.

8 0
3 years ago
Please help!!!<br> A. 21890/990<br> B.21539/9990<br> C.215605/1010<br> D. 215605/1000
ollegr [7]

Answer:

The answer I got was D 215605/1000

5 0
3 years ago
Area of square is numerically less than twice its diagonal by 2. Find its Perimeter.
Usimov [2.4K]
2D-a^2=2

2(a√2) -a^2=2

a^2-2√2*a+2=0

2a= 2√2 + √(8-4*2) = 2√2 
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3 years ago
Write an equation in point slope form of the line passes through the given point and has the given slope
Novay_Z [31]

Answer:

Step-by-step explanation:

y - y₁ = m ( x - x₁)

y - 5  = - 3 (x - 12)

y - 5 = -3x + 36

3x + y = 36 + 5

3x + y = 41

       y = -3x + 41

6 0
3 years ago
Solve for x ~<br><br><img src="https://tex.z-dn.net/?f=2%28x%20-%203%29%20%2B%205%283x%20%2B%201%29%20-%2016x%20%3D%20x%20%5C%5C
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Answer:

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Step-by-step explanation:

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2 years ago
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