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vredina [299]
3 years ago
12

Does the graph represent a function ? Why or Why not ?

Mathematics
1 answer:
Bogdan [553]3 years ago
3 0

Answer:yes

Step-by-step explanation: the answer does represent a function because if you were to put points in the line wherever, and connect them by drawing a line vertically, it would not cross two points.

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A poll was taken this year asking college students if they considered themselves overweight. A similar poll was taken 5 years ag
Katyanochek1 [597]

Answer:

At 5% significance level, it is statistically evident that    there is nodifference in the proportion of college students who consider themselves overweight between the two poll                                  

Step-by-step explanation:

Given that a poll was taken this year asking college students if they considered themselves overweight. A similar poll was taken 5 years ago.

Let five years ago be group I X and as of now be group II Y

H_0: p_x =p_y\\H_a: p_x \neq p_y

(Two tailed test at 5% level of significance)

                Group I            Group II              combined p

n                  270                 300                         570

favor            120                  140                          260

p                   0.4444            0.4667                   0.4561

Std error   for differene = \sqrt{\frac{0.4561(1-0.4561)}{570} } \\=0.0209

p difference = -0.0223    

Z statistic = p diff/std error =       -1.066

p value =0.2864

Since p value >0.05, we accept null hypothesis.

        At 5% significance level, it is statistically evident that    there is nodifference in the proportion of college students who consider themselves overweight between the two poll                                  

7 0
3 years ago
Three times a number is at most negative six.<br> 3x5-6<br> O 3x2-6<br> O 3x&lt;-6<br> O 3x&gt;-6
geniusboy [140]
The answer is 9 because you solve it from left to right and 3x5 equals 15, 15 subtracted by 6 equals 9
6 0
3 years ago
Read 2 more answers
The LATERAL Surface Area for the shape below is ____________. (assume the bases are the larger faces on the top and bottom.)
Zolol [24]

Answer:

LA=210\ cm^2

Step-by-step explanation:

we know that

The lateral area of the figure is given by

LA=Ph

where

P is the perimeter of the base (larger faces)

h is the height

Find the perimeter of the base P

P=2(11+10)=42\ cm

we have

h=5\ cm

substitute in the formula of lateral area

LA=42(5)=210\ cm^2

3 0
3 years ago
..........................................................
Yakvenalex [24]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
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What are the solutions of the quadratic equation (x + 3)2 = 49? x = –2 and x = –16 x = 2 and x = x = 4 and x = –10 x = 40 and x
steposvetlana [31]
Im gonna assume you are solving for x, the equation (x + 3)2 = 49 x is equal to 21.5 or 21 and 1/2. however the rest aren’t equations they’re just x = number and there isn’t much to do with that
5 0
3 years ago
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