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lara [203]
3 years ago
12

Find the mean of the data set: 9 4 73 109

Mathematics
2 answers:
kakasveta [241]3 years ago
6 0
The mean is 7
hope this helped you!!
SpyIntel [72]3 years ago
5 0
I don’t understand how someone got the mean as seven... the mean is 48.75
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Write equations for the horizontal and vertical lines passing through the point (8,5)
almond37 [142]

Answers:

Horizontal Line:  y = 5

Vertical Line:  x = 8

=================================================

Explanation:

All horizontal lines are of the form y = k, for some constant k. We want the horizontal line to pass through (8,5), meaning every point on this horizontal line must have y coordinate 5. Therefore, y = 5 is the equation of the horizontal line. Two such points on this line are (1, 5) and (8, 5). All that matters is the y coordinate is 5. The x coordinate can be anything you want. The slope of any horizontal line is 0.

Flipping things around, all vertical lines will have the x coordinate of each point be the same value. Draw a vertical line through (8,5) and note how each point has x coordinate of 8. Two such points are (8,1) and (8,5). Therefore, the equation of the vertical line is x = 8. The y coordinate can be any value you want. The slope of any vertical line is undefined. Unlike the horizontal line, we cannot write this equation in slope intercept form (namely because the slope isn't defined).

7 0
3 years ago
Is the point (2, 2 1/2) on the graph of y=x+2? How do you know?
Ksenya-84 [330]

Answer:

No, it is not on the graph.

Step-by-step explanation:

Plug in (2, 2 \frac{1}{2}) to y = x + 2

(2 \frac{1}{2}) = (2) + 2

2\frac{1}{2} \neq 4

6 0
3 years ago
Margot is sewing a ribbon on a seam along the perimeter of a square pillow. The side length of the pillow is 2x2+1 inches. She p
defon

Step-by-step explanation:

perimeter \: of \: first \: pillow \: is \:  \\ 4(2 {x}^{2} + 1) \\ perimeter \: of \: second \: pillow \: is \:  \\ 4(4x - 7) \\ so \: we \: need \: compeletly \: 4(2 {x}^{2} + 1) + 4(4x - 7) \: ribbons. \\ 8 {x}^{2} + 4 + 16x - 28 = 8 {x}^{2} + 16x - 24 =  \\ 8( {x}^{2}   + 2x - 3) = 8(x + 3)(x - 1) \\ 8(3.5 + 3)(3.5 - 1) = 8(6.5)(2.5) = 8 \times 2.5 \times 6.5 = 20 \times 65 \times  {10}^{ - 1} = 1300 \times  {10}^{ - 1} = 130 \\ and \: we \: are \: done.

i hope i have been useful buddy.

good luck ♥️♥️♥️♥️♥️.

6 0
3 years ago
Which of the following relations is a function?
Damm [24]

Answer -

Step-by-step explanation:

3 0
2 years ago
Show ALL work and calculations. Max needs to choose an outfit. He has three sweaters: red, blue and pink; two pants: yellow and
JulsSmile [24]

Answer:

- Red

    - Yellow

         - Dress

         - Running

    - Black

         - Dress

         - Running

- Blue

    - Yellow

         - Dress

         - Running

    - Black

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         - Running

- Pink

    - Yellow

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         - Running

4 0
1 year ago
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