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GREYUIT [131]
3 years ago
14

Find each sum. (-7)+9

Mathematics
1 answer:
ira [324]3 years ago
3 0
The answer is 2 you have to look at your intergers
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Find the mean, median, mode, and range of this data: 49, 49, 54, 55, 52, 49, 55. If necessary, round to the nearest tenth.
Zigmanuir [339]
The mean is the average.
So, to find the mean you want o add up all of the numbers and then divide by the number of numbers.

49 + 49 + 54 + 55 + 52 + 49 + 575 = 363
363 / 7 = 51.85
Rounded to 52

For the median you want o line all of your number up from least to greatest and then find the middle number.

49,49,49,52,54,55,55

Your median is 52

The mode is the number that is listed most often

49 is listed 3 times
54 is listed 1 time
52 is listed 1 time
55 is listed 2 times

So, your mode is 49




4 0
3 years ago
What is 60% out of 40?
Afina-wow [57]

Answer:

24

Step-by-step explanation:

Divide 40 by 10 and multiply your answer by 6

8 0
3 years ago
What is the first quartile of this data set?
xxMikexx [17]
First we have to find the median

The median is 19 when we cross off all the numbers

Now we have 11 12 15 16 and 17 in the first quartile


Cross 11 and 12 and cross 16 and 17, off which leaves you with 15


Answer is option d

6 0
3 years ago
Which statement best explains whether △ABC is similar to △DEF?
Sati [7]

A). They are not similar, because 6/13 is not equal to 8/20

For triangles to be similar, the ratios of sides need to be the same (shortest to shortest, middle to middle, longest to longest). The shortest sides are 6 and 13, respectively, the middle ones are 8 and 20. Because 6/13 is not equal to 8/20, the triangles are not similar.

8 0
3 years ago
The graph of the function f(x)=2x+5/x+3
Art [367]
What’s the yintercept of the function?
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