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andrew11 [14]
3 years ago
11

What up guys it’s JustinExpert I’m new if you want to learn more follow you don’t have to do it though but I’m assuming ima be p

opalar so yeah I will be posting nice content
Mathematics
2 answers:
melamori03 [73]3 years ago
4 0

Answer:

wow cool good luck but maybe change your name if you want to be popular

maksim [4K]3 years ago
3 0

Answer:

okay

:)

Step-by-step explanation:

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2 and the square root of 81 + the square root of 64
Veseljchak [2.6K]

Answer:

74.5

Step-by-step explanation:

i did it on my calculator and it says it is 74.5.

5 0
3 years ago
I need help ASAP I have 8 minutes left
jeka57 [31]

Answer:

The answer is A

Step-by-step explanation:

Find the area of the circle = pi x radius^2

Divide the area by 4 = area of sector

4 0
3 years ago
Point P(−3, −4) is rotated 90° counterclockwise about the origin. What are the coordinates of its image after this transformatio
andreyandreev [35.5K]

The 90° CCW transformation is

... (x, y) ⇒ (-y, x)

For your point, this is ...

... (-3, -4) ⇒ (-(-4), -3) = (4, -3)

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What boxes?

3 0
3 years ago
Read 2 more answers
Francis analyzes the given data sets.
Anit [1.1K]

Answer:

2. The IQR for Data Set A is larger than the IQR for Data Set B.

4. The IQR for Data Set A and Data Set B measures the middle 50% of the data.

Step-by-step explanation:

IQR is an abbreviated form of the word Interquartile range. It is used as a measure in statistics for a set of given data.

Interquartile range can be defined as the 50th percentile (50%) of a set of data. It is the difference between the upper limit and lower limit of a given set of data.

Interquartile range can also be referred to or known as the Median(middle) of a given set of data.

Interquartile range is determined by arrange the given set of data from the lowest to height number and then we find or pick the number that is in the middle as our Interquartile range. If the number of term of a given set of data is even in number, we pick two numbers in the middle, add them together and divide it by 2.

In the question above, the correct statements that Francis can make about a given set of data is :

2. "The IQR for Data Set A is larger than the IQR for Data Set B" and

4. The IQR for Data Set A and Data Set B measures the middle 50% of the data.

This is because

Data Set A: 20, 25, 28, 30, 39, 40

Since the number of terms in data set A is 6 (i.e an even number) hence, we pick the two numbers in the middle

The Interquartile range for Data Set A= (28+30) ÷ 2 = 58÷ 2 = 29

For Data Set B: 20, 22, 23, 27, 30, 42

The number of terms in data set is 6( i.e an even number), likewise we pick the two numbers in the middle

The Interquartile range for Data Set B

= (23+27) ÷ 2 = 50÷ 2 = 25

From the above calculation, we have proved that option 2 is correct. The Interquartile range of Data Set A which is 29 is larger than the Interquartile range of Data Set B which is 25.

Likewise Option 4 is correct as well , because the Interquartile range of both Data set A and Data set B measured the middle 50% of the data.

5 0
3 years ago
Find the mean median and mode of the data set round to the nearest tenth 12 23 17 20 14 14 18 16 17 18 18
shutvik [7]

For the given data set,

12,23,17,20,14,14,18,16,17,18,18

We have to determine the mean, median and mode.

Mean is calculated by the " sum of all the observations divided by the total number of observations".

First of all, let us arrange the numbers in ascending order.

12, 14, 14, 16, 17, 17, 18, 18, 18, 20, 23

Mean = \frac{12+14+14+16+17+17+18+18+18+20+23}{11}

Mean = \frac{187}{11}

Mean = 17

So, the mean of the data set is 17.

The mode of a set of numbers is the one that occurs most often.

Since, we observe that '18' is a number among the data set which occurs often.

Therefore, mode of the data set is 18.

Now, we will calculate median.

Since there are 11 terms. Since 11 is an odd number.

Median = \frac{n+1}{2}th observation

= \frac{11+1}{2}

= 6th observation

From the arranged data set, the 6th observation is 17.

So, the median of the data set is 17.

Hence, Mean = 17

Mode = 18

Median = 17

4 0
3 years ago
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