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Dafna1 [17]
2 years ago
14

Referring to the figure, find the value of x

Mathematics
1 answer:
pychu [463]2 years ago
3 0

Answer:

I HOPE IT WILL HELP YOU.....

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Can someone please help me please?
max2010maxim [7]

Answer:

B, C, D and E. A and F are incorrect

Step-by-step explanation:

5 0
3 years ago
I need help.. A diameter of a circle has endpoints p(-10, -2) and q(4, 6)
Phoenix [80]

A: The center is the mid point of the diameter. So, the center of the circle will be the midpoint of points P and Q. The coordinates of the midpoint are the averaged coordinates of the endpoints.

So, the x-cooardinate of the center is the average of the x-coordinates of P and Q:

C_x = \dfrac{P_x+Q_x}{2}=\dfrac{-10+4}{2}=\dfrac{-6}{2}=-3

Try to do the same thing with the y coordinates, and you'll get the y-coordinate C_y. This first part will be over, because the circle will be point

C=(C_x,C_y)

B: The radius is exactly half the diameter. So, we find the length of the diameter, and we divide it by 2. To find the length of the diameter, we use the standard formula for the distance between two points:

d=\sqrt{(P_x-Q_x)^2+(P_y-Q_y)^2}=\sqrt{(-10-4)^2+(-2-6)^2}=\sqrt{260}=2\sqrt{65}

Divide this length by 2 and you'll get the radius.

C: At this point, we have both the radius and the coordinates of the center. The equation of the circle depends on these two parameters, and it is

(x-C_x)^2+(y-C_y)^2=r^2

Substitute C_x and C_y with the coordinates of the center (found in point A.) and r with the radius (found in point B.) and you'll have the equation of the circle.

6 0
3 years ago
Need some help please
Gnoma [55]
You can use this to help you. label the triangle like the picture and use the equations. I hope this helps.

3 0
3 years ago
Read 2 more answers
A twelve inch candle and an 18 inch candle are lit at 6 pm. The 12-in. candle burns 0.5 inches every hour. The 18 inch candle bu
Greeley [361]
 <span>18 - 2t = 12 - 0.5t 
6 = 1.5t 
t = 6/1.5 
t = 4 hours 
time required to have the same height = 4hours 
At what time ? 
answer : at 10pm 
------------------- 
12inch candle lasts longer ..</span>
3 0
3 years ago
Can someone help me on my last problem? #10
Mashutka [201]
Ok but what did i do wrong and if you never studied the subject how did you know i was wrong
8 0
3 years ago
Read 2 more answers
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