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Mariana [72]
3 years ago
6

I am a bit lost with this problem. Could someone please explain this to me :)

Mathematics
1 answer:
Serjik [45]3 years ago
3 0
They want the point D such that D is equally distant away from the three gates. Call the gates A, B, and C

They want
AD = BD = CD

If we draw a circle through those three points, then point D would be the center
This circle is known as the circumcircle as it goes through the three points
The center D is the circumcenter

So all you have to do is find the perpendicular bisector of two segments of the triangle, say of AB and BC. Then find where those perpendicular bisectors meet. That intersection would be point D. 

Since we don't have actual numbers or coordinates to work with, we can't go further and actually find out where point D is located in terms of (x,y) coordinates. However, you can still get a good idea using a compass and straightedge. 
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What is the surface area of a sphere with a diameter of 16 cm?
Vilka [71]

Answer:

804.25 cm² (corrected to 2 decimal places)

Step-by-step explanation:

Radius = diameter / 2

= 16/ 2

=8 cm

Surface area of sphere = 4πr²

= 4π8²

=804.25 cm² (corrected to 2 decimal places)

6 0
3 years ago
What was the concentration of the drug 4 hour(s) after injection?​
svetoff [14.1K]

Answer:

it's 47÷4=11 3/4 will be your final answer

5 0
2 years ago
2(x-3)-12 = -4<br> How do I solve this equations
deff fn [24]

Answer:

x= 7

Step-by-step explanation:

1st step: Multiply the factor (outside number) with the numbers and variable(s) in the box. This results in 2(x-3) = 2x-6

2nd Step: continue the rest of the equation since there are no more brackets left so 2x-6-12=-4

3rd Step: send -12 to the other side of the equation (side changes sign changes) so it will become 2x-6=-4+12    (You are actually supposed to make the variable alone on one side of the equation so that you would be able to calculate its value)

4th step: 2x-6=8 ---> send -6 to the other side as well which will then result in 2x=14

5th step: since 2 is being multiplied by x, when you send it to the other side (to make x alone) you will divide 14 by 2 ( sign of 2 changes from multiplication to division)

Final Step: x=7

3 0
3 years ago
What’s greater 14/7 or 2/4
aleksandr82 [10.1K]
I think 2/4 but I'm not 100% sure sry
8 0
2 years ago
What is the factored form of this expression 4x^2 -12x+9
Anon25 [30]

Answer:

(2x - 3) ^2

Step-by-step explanation:

Factor using the perfect square rule.

7 0
3 years ago
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