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Charra [1.4K]
3 years ago
9

In 25 minutes, Jay can run 10 laps around the track. Write an equation to represent the relationship.

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
5 0
Hi there!

Remember that speed=distance/time
Let s be the speed in laps per minute
Therefore, we can say that s=10/25
We could also say that 25s=10, or 25=10/s
Hope this helps!
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Which equation represents a circle that contains the point (-5, 3) and has a center at (-2, 1)? Distance formula: vaa -02 (x - 1
natali 33 [55]

Given:

The center of the circle = (-2,1).

Circle passes through the point (-5,3).

To find:

The equation of the circle.

Solution:

Radius is the distance between the center of the circle and any point on the circle. So, radius of the circle is the distance between the points (-2,1) and (-5,3).

Distance=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

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On further simplification, we get

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Substitute h=-2, k=1 and r=\sqrt{13}.

(x-(-2))^2+(y-1)^2=(\sqrt{13})^2

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8 0
3 years ago
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uranmaximum [27]

Answer: y= 3x -  6\frac{1}{2}

Step-by-step explanation:

Since we know the slope and a set of coordinates we can insert them into the formula y=mx+b and find what b is.

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-1/2=6+b

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Therefore the equation is y=3x -  6\frac{1}{2}

8 0
3 years ago
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