Answer:
0.8r
Step-by-step explanation:
r - 0.2r
= 1r - 0.2r ← factor out r from each term
= r(1 - 0.2)
= r × 0.8
= 0.8r
Answer:
You didnt give any options, but I'm guessing one of them has a 3 in the tens digits, which should be the right answer.
Step-by-step explanation:
Answer:
Any line with the same slope. In this case the slope is 1. For example, y=x+4 is parallel to y=x+7.
Answer:
True
Step-by-step explanation:
So we know that:
And we are asked to verify whether f(2)=0 is true or false.
To determine the answer, substitute 2 for n in the function and solve. So:
Square and multiply:
Subtract:
So, the statement is indeed true.
And we're done!
Multiply using the foil method, then combine. This will give you -9+27i
