Answer:
50.24 cm^2
Step-by-step explanation:
Area = Pi r^2
A = (3.14) (4^2)
A = 50.24 cm^2
A = (1/2)(8yd)(15yd) = 60 yd²
The first to solve x, because it eliminates y. Third one to solve y, because it eliminates x.
Answer:
-14 - 11i
Step-by-step explanation:
You may be learning about the imaginary number, i. Even though i is actually the squareroot of -1, when you are doing algebra with it, it acts just like a variable does. The special thing to remember about i is that i^2 is -1. But we don't even need that right now for this problem.
(-14 + 3i) - (14i)
= -14 + 3i - 14i
Combine the i's
= -14 - 11i
That's it. The -14 is the a, and the -11 is the b in a+bi.
If necessary to fill in a computer answer that is already formatted with a plus, like:
_ + _i
then use -14 for a and -11 for b.
X = 0
y = 4
(0 , 4) as an ordered pair
