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ASHA 777 [7]
3 years ago
6

Select the graph that represents the equation x^2 + (y-4)^2=2.25

Mathematics
1 answer:
Daniel [21]3 years ago
6 0

Answer:

The graph in the attached figure

Step-by-step explanation:

we know that

The equation of a circle into center radius form is equal to

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

where

(h,k) is the center of the circle

r is the radius of the circle

In this problem we have

(x)^{2}+(y-4)^{2}=2.25

therefore

the center is the point (0,4)

the radius is \sqrt{2.25}=1.5\ units

using a graphing tool

see the attached figure

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Read 2 more answers
If you flip a fair coin 7 times, what is the probability that you will get exactly 4 tails?
andre [41]

Probability that you will get exactly 4 tails, if you flip a fair coin 7 times is: \frac{35}{128}

Step-by-step explanation:

We need to find the probability that you will get exactly 4 tails, if you flip a fair coin 7 times.

This is the combination question.

The total combinations will be: 2^7=128

Now, finding number of ways we can get exactly 4 tiles:

We will use the formula:

^nC_k=\frac{n!}{k!(n-k)!}

in our given question, n= 7, k= 4

Putting values:

^nC_k=\frac{n!}{k!(n-k)!}\\^7C_4=\frac{7!}{4!*3!}\\ ^7C_4=\frac{7*6*5*4!}{4!*3!}\\ ^7C_4=\frac{7*6*5}{6}\\ ^7C_4=35

So, Probability that you will get exactly 4 tails, if you flip a fair coin 7 times is: \frac{35}{128}

Keywords: Probability

Learn more about Probability at:

  • brainly.com/question/1637111
  • brainly.com/question/2254182
  • brainly.com/question/2264295

#learnwithBrainly

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