Answer:
slope= -1
y-intercept = 24
Step-by-step explanation:
2x +2y=24
2x-24=-2y
divide by then u get:
-1x + 12= y
-1 is ur slope
<u>y-</u><u>intercept</u>
let x=0
y= -1(0)+12
y =0+12
y = 12
Answer: The corrected statement is A - B = -B + A.
Step-by-step explanation: Given that the subtraction of a matrix B may be considered as the addition of the matrix (-1)B.
We are given to check whether the commutative law of addition permit us to state that A - B = B - A.
If not, We are to correct the statement.
If the subtraction A - B is considered a the addition A + (-B), then the commutative law should be stated as follows :
A + (-B) = (-B) + A.
That is, A - B = -B + A.
Thus, the corrected statement is A - B = -B + A, not B - A.
Answer:
a) cluster sampling
Step-by-step explanation:
In cluster sampling method, each member of a population is assigned to one and only one group.This means clusters are formed through probability method usually a simple random sampling.The participants in the clusters are the only one to be surveyed.
In this example, simple random sampling is used to identify 12 home rooms(cluster) where a group of 20 students (participants) in each room is given the survey.
Answer: I believe the correct answer is option D.
I hope this helps you
x/5= -3
x= -3.5
x= -15
