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3 years ago

Find the mean of the set of data. Use a calculator if necessary. (Remember to put the list in numerical order.)

Mathematics

2 answers:

ANTONII [103]3 years ago

7 0

Answer:

11.25

Step-by-step explanation:

arsen [322]3 years ago

3 0

Answer:

11.25

Step-by-step explanation:

First, add the values up.

15+9+11+7+5+11+26+6=90

Then divide the sum by the number of numbers.

90/8=11.25

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If the coordinates of point E are (-4, y), what is the value of<br> у?

BlackZzzverrR [31]

Answer:

-8

Step-by-step explanation:

First we need to find the slope of CD.

We know C is (-10, -2)

and we know D is (10,6)

If we use the slope formula, we can see the slope is $m=\frac{6-(-2)}{10-(-10)}$

$m = \frac{8}{20} \\m=\frac{2}{5}$

We can see point F is at (6,-4)

We can find the equation of this line by using point slope form, and plugging in F as our point.

$y-(-4)=\frac{2}{5}(x-6)\\y=\frac{2}{5}x-\frac{32}{5}$

To find where E, we need to find the y value when x = -4

$y=\frac{2}{5}(-4)-\frac{32}{5}\\y =-8$

8 0

3 years ago

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The sum of a number and 3 is equal to 5 less than double that number. What is the number?

Ganezh [65]

Answer:

sum of a number 2 plus3 is equal to 5

and less than its double 2×2=4 so the answer is 2

3 0

3 years ago

Read 2 more answers

PLEASE HELP NEED ANSWER NOW HURRY PLEASE 100PTS

Umnica [9.8K]

Answer:

193

Step-by-step explanation:

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5 0

3 years ago

Someone please help will mark as brainliest

Anit [1.1K]

Answer:

Perpendicular(p)=21

base(b)=20

hypotenuse(h)=29

Step-by-step explanation:

Now by using the formula:

cos A=b/h

i.e 20 by 29

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3 years ago

MARKING BEST ANSWER BRAINLIEST!!!!!!!!!!!!!!!!!!!!What is the median of this group of numbers?

butalik [34]

Answer:

There are 7 number so what you want to do is separate them into groups and the median will be the number in the middle which is 40 so 40 is the median

Step-by-step explanation:

hope this helps

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2 years ago