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Genrish500 [490]
3 years ago
10

Which equation represents the circle described? The radius is 2 units. The center is the same as the center of a circle whose eq

uation is x2 + y2 – 8x – 6y + 24 = 0.
Mathematics
2 answers:
Serhud [2]3 years ago
6 0

Answer:

(x-4)^2+(y-3)^2=2^2

Step-by-step explanation:

The given circle has equation; x^2+y^2-8x-6y+24=0

Comparing to the general equation of the circle:  x^2+y^2+2ax+2by+c=0

We have 2a=-8\implies a=-4 and 2b=-6\implies b=-3

The center of this circle is (-a,-b)=(4,3).

The required circle has radius r=2 units.

The equation of a circle, given the center (h,k) and radius r, is given by:

(x-h)^2+(y-k)^2=r^2

We substitute the values to obtain (x-4)^2+(y-3)^2=2^2

IceJOKER [234]3 years ago
5 0

Answer:

the answer is C

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Radius=1/2 Diameter

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4 0
4 years ago
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bezimeni [28]

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Step-by-step explanation:

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4 0
4 years ago
A small combination lock on a suitcase has 3 ​wheels, each labeled with the 10 digits from 0 to 9. If an opening combination is
Artyom0805 [142]

Answer:

0.14% probability of a person guessing the right​ combination

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

The order in which the numbers are selected is important. For example, 1,3,2 is a different combination than 3,1,2. So we use the permutations formula to solve this question.

Permutations formula:

The number of possible permutations of x elements from a set of n elements is given by the following formula:

P_{(n,x)} = \frac{n!}{(n-x)!}

Desired outcomes:

One right combination, so P = 1

Total outcomes:

10 numbers from a set of 3. So

P_{(10,3)} = \frac{10!}{(10-3)!} = 720

What is the probability of a person guessing the right​ combination?

p = \frac{D}{T} = \frac{1}{720} = 0.0014

0.14% probability of a person guessing the right​ combination

5 0
4 years ago
Find 9x503. Show your work and explain why the strategy you chose works best with the factors?
kompoz [17]
503
x 9
———
4,527

This works good with the factors because you work step by step, making an equation like this one
5 0
3 years ago
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