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Ray Of Light [21]
3 years ago
15

A particular circle in the standard (x,y) coordinate

Mathematics
1 answer:
matrenka [14]3 years ago
7 0
For any circle with Cartesian equation
(x-a)^2 + (y-b)^2 = r^2,
we have that the centre of the circle is (a,b), and the radius of the circle is r.

So in the case that 
(x-5)^2 + y^2 = 38,
we essentially have that
a = 5, b = 0, r^2 = 38.

So the centre of the circle is (5,0), and the radius is \sqrt{38}.
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How many inches are in 14 feet, 8 inches? Enter only the number. Do not include units
blagie [28]

Answer:

176

Step-by-step explanation:

14x12 = 168 + 8 = 176

8 0
3 years ago
Explain how counting number of girls in five children family can be treated as a binomial experiment. What assumptions are neces
Juliette [100K]

This is a binomial experiment and you'll use the binomial probability distribution because:

  1. There are two choices for each birth. Either you get a girl or you get a boy. So there are two outcomes to each trial. This is where the "bi" comes from in "binomial" (bi means 2).
  2. Each birth is independent of any other birth. The probability of getting a girl is the same for each trial. In this case, the probability is p = 1/2 = 0.5 = 50%
  3. There are fixed number of trials. In this case, there are 5 births so n = 5 is the number of trials.

Since all of those conditions above are met, this means we have a binomial experiment.

Some textbooks may split up item #2 into two parts, but I chose to place them together since they are similar ideas.

8 0
3 years ago
I need to know how to simplify the sqrt or 432
Arlecino [84]

Answer:

\sqrt{16 \times9 \times 3  \:   \: equals \:4 \times 3 \times  \sqrt{3that \: eauas \: 12 \sqrt{3} } }

Step-by-step explanation:

Square root of 16 ×9×3= square root of 432

square root of 16 =4

square root of 9 =3

That will equal 4×3× square root of 3 which finally equals to 12 square root of 3.

6 0
3 years ago
Read 2 more answers
6) On a trip to his grandparents, Donny drove 60 miles per hour for 45 minutes and 50 miles per hour for 30 minutes. How many mi
just olya [345]
60 miles an hour for 45 minutes = 45 miles
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Total =70 miles
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2 years ago
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PLSSSSSS HELP GIVING 10 POINTS
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Answer:

I'm pretty sure that it's C.

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