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larisa [96]
3 years ago
5

Easy algebra! Just need help with this one

Mathematics
1 answer:
Alexxandr [17]3 years ago
6 0
The answer is B (9,6) (12,8)
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For an independent-measures research study (i.e., independent measures t Test), the data show an 8-point difference between the
zloy xaker [14]

Answer:

C. 2

Step-by-step explanation:

Cohen's d is a parameter used to express the standardised difference between two means. It is defined as the difference between the means divided by the pooled standard deviation.

In this case, the difference between both means (M2-M1) is 8. As for the pooled standard deviation, simply take the square root of the given pooled variance:

S=\sqrt{S^2}\\S=\sqrt{16} \\S= 4

Therefore, the value of Cohen's d (d) is:

d=\frac{M_{2} -M_{1}}{S} \\d=\frac{8}{4}\\d=2

7 0
3 years ago
Which of the following graphs represents a function?
Evgesh-ka [11]

For something to be a function, each input (x value) can only have ONE output (y value)

If an input has multiple outputs, it is not a function.    

so the last graph represents a function (parabola going down)

4 0
3 years ago
If 15% of an item is $18 what is the original price??
stiks02 [169]

Answer:

If you were trying to find 15% of 18, that would be multiplying a decimal, but, you need to mutliply a whole number. $120 should be your answer. People, correct me if I'm wrong (seriously though, not 100% sure if this is correct).

Step-by-step explanation:

18 = 15% x Y

18 = 15/100 x Y

Y = 18 × 100/15

Y = 18 × 100 ÷ 15

Y = 120

6 0
3 years ago
Solve the inequality and graph the solution 2|x+1/3|<9
bagirrra123 [75]
The answer for this equation is x < 1
7 0
3 years ago
I need help with 2 of these math question
fgiga [73]

Answer:

10

Step-by-step explanation:

20/2=10

10+10=20

17

5 0
2 years ago
Read 2 more answers
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