Given end points of diameter,
(x1,y1)=(-3,-4)
(x2,y2)=(0,0)
Now,
the equation of circle is,
(x-x1)(x-x2)+(y-y1)(y-y2)=0
or, (x+3)(x-0)+(y+4)(y-0)=0
or, x^2 +3x +y^2 +4y =0
or, x^2 +y^2 +3x + 4y=0
which is in the form of x^2 +y^2 +2gx +2fy + c=0
where,
g=3/2
h=2
c=0
Now,
Answer:
Apart from Knowing the coordinates of vertices of triangle ,we must know by how much the coordinates of vertices of triangle and in which direction , it is translated.There are four kinds of translation possible
→Either Horizontally right and Vertically up
→Either Horizontally left and Vertically up
→Either Horizontally right and Vertically down
→Either Horizontally left and Vertically down
Step-by-step explanation:
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Let s be the speed of the boat in still water.
Let c be the speed of the current.
s - c = 48/6 = 8
s + c = 48/4 = 12
Adding the two equations, we get:
2s = 20
s = 10
The answer is 10 miles per hour.
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