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Vikki [24]
3 years ago
7

Which of the following constructions shows the construction of a circumcircle?

Mathematics
1 answer:
maw [93]3 years ago
4 0
U need to give me more information then that to answer the question pls
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Subtract 1.05 from a certain number. Multiply the difference by 0.8, add 2.84 to the product then divide the sum by 0.01 and get
attashe74 [19]
Just do the whole process backwards
700*0.01=7
7-2.84=4.16
4.16/0.8=5.2
5.2+1.05=6.25
8 0
3 years ago
Complete the square to rewrite x^2+y^2+2x+6y-6=0 in graphing form
Ksivusya [100]

Answer:

(x + 1)² + (y + 3)² = 16

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

Given

x² + y² + 2x + 6y - 6 = 0

Collect the x and y terms together and add 6 to both sides

x² + 2x + y² + 6y = 6

To complete the square

add ( half the coefficient of the x/ y terms )² to both sides

x² + 2(1)x + 1 + y² + 2(3)y + 9 = 6 + 1 + 9

(x + 1)² + (y + 3)² = 16

with centre = (- 1, - 3) and r = \sqrt{16} = 4

4 0
3 years ago
One step equations word problems. I ONLY NEED 3-8!!!!
viva [34]
3: 18
4: 17
5: 561
6: 17
7: 23
:)
5 0
3 years ago
Where is the point (0, -5) located on the coordinate plane?
Anna007 [38]
On the y-axis.

Hope this helps!!
3 0
3 years ago
Please help simplify . thank you
MrMuchimi
I would try a but maybe wait for one more response because I got squared after x and 5x
8 0
3 years ago
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