A matrix is diagonal if
In other words, you want non-zero elements only when the indices of the row and the column are the same: the first element of the first row must be non zero, the second element of the second row must be non-zero, and so on. All other elements must be zero.
A! You need to multiply all the numbers together
Angle a and b are C) supplementary angles
Answer:
20
Step-by-step explanation:
use PEMDAS.
do 5 x 3, the multiply that by 16/2.
you would get 120.
then divide by 6
we are given
The ez pay plan costs $0.15 per minute
so, cost is $0.15 per minutes
we have
x minutes on the ez pay plan
so, time for plan is x minutes
total bill = cost * time for plan
now, we can plug values
we get
total bill = $0.15x..............Answer
