Irrational kind of means something can't be dealt with, for example, you cannot divide irrational numbers. Rational is something that you can do and will be good to work with, you can divide rational numbers.
Hey I don’t know much of this but I really recommend you to re ask this question but choose the other option to talk to an expert :)
Answer:
21+12i i hope this will help you
Step-by-step explanation:
(3-4i)(1+5i)-(2-i)
=[3(1+5i)-4i(1+5i)]-(2-i)
=[3+15i-4i-20i²]-(2-i)
=(3+11i-20i²)-(2-i)
opening brackeys
=3+11i-20i²-2+i
=3+11i+1i-20i²-2
as we know that i²=-1
=3-20(-1)-2+12i
=3+20-2+12i
=21+12i
Answer:
a^2+b^2=a(2)^1.5
Step-by-step explanation:
im not sure, just seems right
23.9 is the discount so you gonna round it up so get an whole number the answer is 24
