Ted can clear a football field of debris in 3 hours. Jacob can clear the same field in 2 hours. When they work together, the
2 answers:
Answer:
1 hour 12 minutes.
Step-by-step explanation:
Let the number of hours = t
Ted can clear the field =
Jacob can clear the field =
Together they can clear the field = +
= 1
=
2t + 3t = 6
5t = 6
t =
t = 1.2 hours.
converting 1.2 hours = 1 hour 12 minutes.
It would take 1 hour 12 minutes to clear the field together.
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Equation of the circle is (x - 6)² +(y-7)² = 4.
<h3>What is a Circle ?</h3>A figure having round shape and all the points lie on the same plane is called a circle.
Equation of a circle can be formed using centre of the circle and radius of the circle.
(x-h)² +(y-k)² = r²
where (h,k) is the vertex and 'r' is the radius.
From the given graph the centre of the circle is at (6,7)
and radius of the circle is 2 units
(h,k) is (6,7)
and r= 2
Substituting all the values
The equation of the circle
(x - 6)² +(y-7)² = 2² = 4
Equation of the circle is (x - 6)² +(y-7)² = 4
To know more about Circle
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