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Kaylis [27]
3 years ago
6

Combine like terms y+6-2-4y3-5y+2y3-2y3

Mathematics
1 answer:
stich3 [128]3 years ago
8 0

Answer: -3y+12

Step-by-step explanation:

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A researcher computes r = 0.45 using a sample of 18 participants. Is this Pearson correlation coefficient significant for a two-
Eduardwww [97]

Answer with explanation:

Given : The computed r -value = 0.45

Sample size : n=18

Degree of freedom : df=n-2=18-2=16

Now, the critical value for Pearson correlation coefficient  for a two-tailed test at a .05 level of significance will be :

r_c=0.468   ( by critical correlation coefficient table)

Since , r>r_c i.e. 0.45>0.468 , then we say that his Pearson correlation coefficient is not significant for a two-tailed test at a .05 level of significance.

3 0
2 years ago
Which of the following numbers is rational? <br><br> A -9<br> B 5/8<br> C 0<br> D All Of Above
Svet_ta [14]

Answer:

  D  All Of Above

Step-by-step explanation:

Any number that is the ratio of two integers, a repeating decimal fraction, or a value you can write completely without using symbols such as π or √2 is a rational number. All the numbers shown are complete in a finite number of digits, so are rational.

6 0
3 years ago
48minutes to 1hour <br> This is a ratio plz simplify it
worty [1.4K]

Answer:

48/60=24/30=15/12=4/5 or 4:5

So your final answer is 4/5 or 4:5

Step-by-step explanation:

8 0
3 years ago
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