3 years ago

Simplify the expression 5×6+6+6–12×2

Mathematics

2 answers:

Minchanka [31]3 years ago

6 0

It’s 18
Use PEMDAS
p=parenthesis
E=exponent
M=multiplication
D=division
A=addition
S=subtraction

ololo11 [35]3 years ago

4 0

Answer:

Step-by-step explanation:

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3 years ago

The following estimated regression equation based on 30 observations was presented. ŷ = 17.6 + 3.8x1 − 2.3x2 + 7.6x3 + 2.7x4 The

trapecia [35]

Answer:

a) = 0.9739

b) = 0.969

c) option A is correct

Step-by-step explanation:

Given that:

sample size n = 30

SST = 1803

SSR = 1756

$R^2 = \dfrac{SSR}{SST} \\ \\ R ^2 = \dfrac{1756}{1803} \\ \\ \mathbf{R^2 =0.9739}$

The adjusted $R_a^2$ is computed as:

$R_a^2 = 1 - (\dfrac{n-1}{n-p})(1-R^2)$

where;

$p = k+1 \\ p= 4+1 = 5$

$R_a^2 = 1 - (\dfrac{30-1}{30-5})(1-0.9739)$

$R_a^2 = 1 - (\dfrac{29}{25})(0.0261)$

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7 0

3 years ago

Simplify the expression 5×6+6+6–12×2​

Simplify the expression 5×6+6+6–12×2