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viktelen [127]
2 years ago
7

I’ll mark ya brainless who can help?

Mathematics
2 answers:
Serhud [2]2 years ago
7 0

Answer:

C

Step-by-step explanation:

You have 12 marbles and you have 4 of each color.

lbvjy [14]2 years ago
5 0

Answer:

c

Step-by-step explanation:

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What’s the answer to this
ss7ja [257]

Answer:

I think D

Step-by-step explanation:

4 0
2 years ago
6 in<br> 24 in<br><br> I don’t get this at all and I have trouble with math
nekit [7.7K]
What’s the full question?
6 0
2 years ago
The following information was collected on 20 randomly chosen high school students, which compared their IQ score to musical apt
Mashcka [7]

Answer:

Y = 0.4925X - 22.26 ;

(-12.413, 13.398) ;

Yes, there is

Step-by-step explanation:

X = IQ Score ; Y = musical aptitude

The regression equation from the table given using the slope and intercept coefficient :

Y = 0.4925X - 22.26

0.4925 = slope ; Intercept = - 22.26

The 95% confidence interval of the slope :

Confidence interval = b ± Tcritical*SE

Tcritical at 95%, df = n - 2 = (20 - 2) = 18

Tcritical = 2.1009

b = slope Coefficient = 0.4925

S.E = 6.143

Hence, we have :

Confidence interval = 0.4925 ± (2.1009 * 6.143)

Confidence interval = 0.4925 ± 12.9058287

Lower boundary = 0.4925 - 12.9058287 = - 12.413

Upper boundary = 0.4925 + 12.9058287 = 13.398

(-12.413, 13.398)

There is a significant relationship between IQ score and musical aptitude because, 0 is within the confidence interval obtained.

6 0
3 years ago
2x + 5(y - 1) when x=8 and y=5
Travka [436]

Answer:

16+24=40

Step-by-step explanation: 2x+5(y-1) when x=8 and y=5. put x where it belongs, by the 2 and do the same with y, by the -1. and then slove. 2*8= 16 , 5*5= 25-1, then add 16 and 24 together and get 40.

5 0
3 years ago
Ronald’s insurance company pays for 80% of his shoulder surgery, after he pays a $500 deductible.
Ivahew [28]
1st a
2nd c
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7 0
3 years ago
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