Answer:
<em>In statistics, linear regression is a linear approach to modelling the relationship between a scalar response (or dependent variable) and one or more explanatory variables (or independent variables). The case of one explanatory variable is called simple linear regression. For more than one explanatory variable, the process is called multiple linear regression. This term is distinct from multivariate linear regression, where multiple correlated dependent variables are predicted, rather than a single scalar variable.</em>
Answer:
22.5
Step-by-step explanation:
find the scale factor
13.5/9 = 1.5
or
18/12 = 1.5
Then times 15 by this to get x
15 x 1.5 = 22.5
Answer:
-2(-2)
Step-by-step explanation:
-2(x--4)2
-2(-4x)2
different sign subtract
-2(-2)
Hope this helps :D
Answer:
60%
Step-by-step explanation:
Total number of people in the survey = 600
And 360 said their favorite was pepperoni.
Percentage of those who said pepperoni was their favorite will be
No. Of those who said their topping was pepperoni divided by the total number of people in the survey multiplied by 100%
That’s
360/600 x 100%
0.6 x 100%
60%
a) n° + n°+ 42 = 180°
2n + 42 = 180
2n = 180 – 42
2n = 138
n = 138 /2
n° = 69°
_____o___o____
b) ( x+10) + x + ( x+5 ) = 180
x + 10 + x + x + 5 =180
3x + 15 =180
3x =180 – 15
3x = 165
x = 165 /3
x° = 55°
_____o___o___
c) 3q + q + q = 180
5q =180
q = 180/5
q=36°
___o___o____
d) m + 2m + ( m+10) = 180
m+2m+m+10=180
4m + 10=180
4m = 180 – 10
4m = 170
m=170 / 4
m = 42.5°
____o___o___
e) y + (y – 30 ) + 90° = 180°
y + y – 30 + 90 = 180
2y + 60 = 180
2y = 180 – 60
2y = 120
y = 120/2
y = 60°
____o___o____
f) ( t + 10.5 ) + 2t + 90 = 180
t + 10.5 + 2t +90=180
3t + 100.5 = 180
3t = 180 – 100.5
3t = 79.5
t = 79.5/3
t =26.5°
I hope I helped you^_^
