Write the standard equation of the circle with center (-14, -3) that passes through the point (-5,3),

Step-by-step explanation:

Equation of a circle:

The equation of a circle with center is given by:

In which r is the radius.

Center (-14, -3)

This means that

So

Passes through the point (-5,3),

This means that when . We use this to find the radius squared. So

So, the equation of the circle is:

could

step-by-step explanation:

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54 kilometers per hour

step-by-step explanation:

according to rules:

1 km = 1000 meter

which means that 1 meter = 1/1000 km

1 hour = 3600 second [ as 1 hour = 60 min = 60 *60 seconds ]

which means that 1 second = 1/3600 hour

therefore, 1 kilometer/hour =

thus to convert 15 meter per second to kilometer per hour, we multiply 15 to 3.6 kilometer/hour.

15 meter/second=   which is the required answer.