3 years ago

Write the equation of the circle with center (0,0) and (3,6) a point on the circle

Mathematics

1 answer:

antoniya [11.8K]3 years ago

4 0

Answer:

X^2+y^2=45

Step-by-step explanation:

Since the equation of a circle is (x – h)^2 + (y – k)^2 = r^2, we can substitute the h and k in which are both 0 and we get x^2+k^2=r^2. Using the Pythagorean theorem to find the radius, we get r^2=45 or r=sqrt(45). So the equation for the circle is x^2+y^2=45.

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If the Revenue for the week is $2000, and labor cost consists of two workers earning $8 per hour who work 40 hours each, what is

slega [8]

So,

All you have to do is find the total labor cost and put it over the revenue.

We have two workers each earning $8/hr. (lousy), and they work 40 hrs./week.

2 * $8 = $16/hr.

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$\frac{640}{2000}$

Cross out zeros.
$\frac{64}{200}$

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=
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3 years ago

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madreJ [45]

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2 years ago

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Answer:

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