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Usimov [2.4K]
3 years ago
13

At the beginning of the week, Joshua had $356 in his savings account. At the

Mathematics
2 answers:
Masteriza [31]3 years ago
8 0

equation: 356 - x = 123

The x can be changeable

the actual answer:

356 - 356 - x = 123 - 356

-1x/-1 = -233/-1

x =233

Alinara [238K]3 years ago
5 0
$356 - $123 = $233, joshua spent $233
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Assumptions of a regression model can be evaluated by plotting and analyzing the ____________
Gala2k [10]

The assumptions of a regression model can be evaluated by plotting and analyzing the error terms.

Important assumptions in regression model analysis are

  1. There should be a linear and additive relationship between dependent (response) variable and independent (predictor) variable(s).
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  3. The independent variables should not be correlated. Absence of this phenomenon is known as multi col-linearity.
  4. The error terms must have constant variance. This phenomenon is known as homoskedasticity. The presence of non-constant variance is referred to heteroskedasticity.
  5. The error terms must be normally distributed.

Hence we can conclude that the assumptions of a regression model can be evaluated by plotting and analyzing the error terms.

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4 0
2 years ago
Draw a factor tree the prime factorization of 45 and 90 in the space provided below
Ann [662]
45                                        90 
 /  \                                       /  \
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   /  \                                   /  \
  3   3                                5   9 
 5x3x3                                   / \  
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3 0
3 years ago
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V125BC [204]
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3 years ago
What is the equation for the line that has a slope of 0 and passes through the point (3, 7)?
Harrizon [31]

Answer:

Step-by-step explanation:

PART 1

y=mx+b

m is slope and slope is 0 sooo

y=0x+b

it passes through (3,7)

7=0(3)+b

7=0+b

b=7

y=0x+7

so just y=7

PART 2

y=mx+b

y=1/5x+b

1/2=1/5(-2/3)+b

1/2=-2/15+b

1/2+2/15=b

15/30+4/30=b

19/30=b

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6 0
3 years ago
On a coordinate plane, a solid straight line has a positive slope and goes through (0, negative 1.3) and (3, negative 0.3). Ever
blsea [12.9K]

Answer:

A

Step-by-step explanation:

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7 0
3 years ago
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