They want you to combine the variables. So
−12x4 + 7x3 + 6x4 − 2x3 =
5x3 − 6x4
So you combine the coefficients, not the variable number, for instance -12+6=-6, and then you simply put the variable in the same place it was. You don't do anything else with it except what I just showed you
hope it helps
The square root of 20 is irrational.
42 is 16, less than 20 and 52 is 25, more than 20.
Answer:
There are 10 possible ways the student can schedule the three classes
Step-by-step explanation:
The college student is choosing 3 classes to take during the first, second, and third semester from 5 electives.
Therefore, the student is choosing 3 items from a total of 5 and the order is not of key concern here. This is thus a combination problem;
5C3 = 10
read as 5 choose 3
The above mathematical operation can be performed using any modern calculator.
It’s A:) explanation- I got it right
The other angle is adjacent to 55 degrees which means:
55+x=180
x=125 so it 125 degrees
