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Natasha_Volkova [10]
3 years ago
9

2

Mathematics
1 answer:
MariettaO [177]3 years ago
4 0

9514 1404 393

Answer:

  2x +1 = 2x +3

Step-by-step explanation:

For there to be no solution, the coefficients of x must be the same, and the constants must be different. One possible choice of numbers is shown above.

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I’m not sure I’m looking for it
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2 years ago
A pole that is 2.8 mm tall casts a shadow that is 1.37 m long. At the same time, a nearby building casts a shadow that is 36.25
ZanzabumX [31]

Answer:

this is the correct answer

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2 years ago
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3x-12+10=8-2x what does x equal?
nikitadnepr [17]
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4 hours is equal to one ____ of the Earth? ILL MARK PLZZZZZZZZ
sertanlavr [38]

Answer:

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Step-by-step explanation:

5 0
3 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
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