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Sonbull [250]
3 years ago
5

Simplify the following expressions ( combine like-terms )

Mathematics
1 answer:
sukhopar [10]3 years ago
8 0

Answer:

2x+2y+z

Step-by-step explanation:

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To test for the significance of a regression model involving 3 independent variables and 51 observations, the numerator and deno
LenKa [72]

Answer:

numerator degree of freedom = 3

Denominator degree of freedom = 47

Step-by-step explanation:

The numerator degree of freedom is given by :

p - 1 ; where p = number of predictors ;

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Number of independent variables = 3

p = 3 + 1 = 4

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The denominator degree of freedom = n - p ; where n = number of observations

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3 years ago
If Kawmae had 20 apple and gave Kim 2 how much apple would she have
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She would have18 apples
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4 years ago
By visual inspection ,determine the best fitting regression model for the scatter plot
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Answer:

if the scatter plot has a curve like the one attached does then it is quadratic  regression.

Step-by-step explanation:

Exponential growth is a specific way that a quantity may increase over time. ... Described as a function, a quantity undergoing exponential growth is an exponential function of time, that is, the variable representing time is the exponent (in contrast to other types of growth, such as quadratic growth).

Exponential growth is a specific way that a quantity may increase over time. It occurs when the instantaneous rate of change (that is, the derivative) of a quantity with respect to time is proportional to the quantity itself.

This means if it has a curve that doesn't represent same value proportions to another axis. that is different to exponential then we say it is quadratic regression.

The formal term to describe a straight line graph is linear, whether or not it goes through the origin, and the relationship between the two variables is called a linear relationship.

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