50 degrees since a triangle is 180 degrees and the other 2 are 40 and 90
Step-by-step explanation:
(a+bi)2
=a2 +2abi +b2i2
=a2 +2abi + b2. (-1)
=a2 -b2 +2abi
Answer = (a+b(a-b) +2abi
A because inverse is the opposite order so instead of -3/1 or 5/1 it becomes 1/-3 and 1/5
Answer:
Step-by-step explanation:
B
Hope I heped
The next bigger ten is 913,620 .
The next smaller ten is 913,600.
913,610 is exactly in the middle between them.
913,610 is already written to the nearest ten.
