Answer:
c
Step-by-step explanation:
In a multiple regression model X1 and X2 are two independent variables and the assumption is made that the effect of of X1 and X2 on dependent variables is independent of each other.For example let y be the student grade and x1 is the study hour and x2 be the IQ level of student so the multiple regression model for this scenario will be
Y=b0+b1x1+b2x2+e
Hence we can see that effect of study hour and IQ level on the student grade and the effect of study hour on the student grade is independent of the value of IQ level.
It might be 5 irdk im just taking a reasonable guess
Answer:
the sales tax percent is therefore: 7.75%
Step-by-step explanation:
The sales tax she paid is $69.75, for a sofa whose sale price is $899.99.
Since $69.75 is the unknown (x) percent of $899.99, then we write this statement in math terms as:
69.75 = x * 899.99
solving for x we get:
x = 69.75 / 899.99
x = 0.0775
this is the decimal form of the percent, and in order to write it as percent, we multiply it by 100:
the sales tax percent is therefore: 7.75%
None if its empty.
If its a perfect cylinder and its full of water it holds pi * 2.5^2 * 10 = 785cm^3 to nearest cm^3.
Answer:
9(3+5)
Step-by-step explanation:
GCF is 9, because thats the highest <u>common</u> number that both numbers can be divided by.
27/9 = 3
45/9 = 5
so,
9(3+5)