Answer:
Step-by-step explanation:
Since the ant travels at a constant speed, we can set up the following proportion:
, where
is the distance the ant can travel in 7 minutes.
Solving for , we get:
.
3g+5h+4g-2h please help :(
2 answers:
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The general equation of a circle is (x-h)²+(y-k)² = r². The equation of circle A is (x+4)²+(y+2)²=9.
<h3>What is the equation of a circle?</h3>The general equation of a circle is given as,
(x-h)²+(y-k)² = r²
Where (h,k) is the coordinate of the centre of the circle, and r is the radius of the circle,
Given that the four points that lie on the circle are (-4,1), (-1,-2), (-4, -5) and (-7,-2), and also the centre of the circle is at (-4,-2). Therefore, the radius of the circle will be the distance between the centre of the circle and any point lying on the circle.
Since the coordinate of the centre point of the circle is (-4,-2), while the radius of the circle is 3 units, therefore, the equation of the circle can be written as,
Hence, the equation of circle A is (x+4)²+(y+2)²=9.
Learn more about Equation of Circle:
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Answer:
Step-by-step explanation:
We are given that
Point (1,0)
We have to find the equation of tangent line to the given graph.
Differentiate w.r.t x
Substitute x=1
Slope-point form:
By using this formula
The equation of tangent to the given graph