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3 years ago

A car is moving at 65 miles per hour. How many feet can it travel in one second?

Mathematics

2 answers:

d1i1m1o1n [39]3 years ago

4 0

Answer:

Step-by-step explanation:

qaws [65]3 years ago

4 0

Answer:

65 mph means in 1 hour you drive 65 miles.

Step-by-step explanation:

1 hour = 60 minutes and 1 minute has 60 secs

So 1 hour has 60* 60 secs = 3600 secs.

1 mile - 5280 feet

65 miles = 65*5280 feet

So in 3600 secs you are driving 65 * 5280 feet

or in 1 sec you can drive (65 * 5280)/3600

which is equal to 95.33 ft or you are driving at 95.33 ft/sec

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3 years ago

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MakcuM [25]

Answer:

p = 4

Step-by-step explanation:

Given equation:

$x^2+(p-3)y^2-4x+6y-16=0$

Standard equation of a circle:

$(x-a)^2+(y-b)^2=r^2$

(where $(a,b)$ is the centre of the circle, and $r$ is the radius)

If you expand this equation, you will see that the coefficient of $y^2$ is always one.

Therefore, $p-3=1$

$\implies p=1+3=4$

Additional information

To rewrite the given equation in the standard form:

$\implies x^2+y^2-4x+6y-16=0$

$\implies x^2-4x+y^2+6y=16$

$\implies (x-2)^2-4+(y+3)^2-9=16$

$\implies (x-2)^2+(y+3)^2=16+4+9$

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So this is a circle with centre (2, -3) and radius √29

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2 years ago

A car is moving at 65 miles per hour. How many feet can it travel in one second?​

A car is moving at 65 miles per hour. How many feet can it travel in one second?