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Lubov Fominskaja [6]
3 years ago
12

Es

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
8 0

Answer:

(0, -9).

Step-by-step explanation:

The general form of the equation of a circle is:

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

where the center = (a, b).

x2 + (y + 9)2 = 25

Comparing this to the general form we see that the center = (0, -9).

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Tristan records the number of customers who visit the store each hour on a Saturday. His data representing the first seven hours
Alona [7]

Answer:

Option C is correct.

Step-by-step explanation:

We have been given total 8 data

Data is : 12,15,18,20,23,23,28

Here, n=7

Median is \frac{n+1}{2}=\frac{7+1}{2}=4th term

Median is 20.

When one data is added n=8

The median of  even number of data is  

median=\frac{\frac{n}{2}\text{th and}\frac{n}{2}+1\text{th}}{2}

Median is \frac{8}{2}\text{th and}\frac{8}{2}+1th

Median is 4\text{th and}5th

4th terms is 20

5th terms is 23

Since, median should not be change hence,

Median will be 20.

Therefore, option C is correct.

6 0
3 years ago
Read 2 more answers
??? Anyone have answers ?????
Effectus [21]

Answer:

The answer is C because it is the only one without a straight line.

Step-by-step explanation:

6 0
3 years ago
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I will upvote and give brainliest answer
zloy xaker [14]

Answer:

x=17

Step-by-step explanation

i just did the exact same question on a test and got it right .

6 0
3 years ago
Can someone help me?It's urgent and thank you!
Dafna1 [17]

Answer number 3

Step-by-step explanation:

8 0
3 years ago
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(3x+4)-(-8-2x) simplified
goldenfox [79]

Answer:

5x+12

Step-by-step explanation:

7 0
3 years ago
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