Answer: The answer is - 1.
Step-by-step explanation: We are given to find the value of the given expression

We know that 'i' is an imaginary unit and its value is √-1. So, we have

Therefore, the given expression becomes
.
Thus, the answer is - 1.
Answer:
make An equation for both of the numbers in the parentheses .
Step-by-step explanation:
this is how it should look x -2 would be x =15, because you add 2 on both sides , now you have x=15 which should be the answer because 15 is now x and 15 minus 2 = 13
now for the second one
first subtract 10 on both sides then you should get the answer X equals three the reason why it’s like that is because 3 is now x and 3 + 10 = 13.
Hope this helped have a good day :D
Answer:
width=18cm
Step-by-step explanation:
perimeter= 2(l+b)
90=2(27+b)
90/2=27+b
45-27=b
b=18cm
Answer:
2596\83 =31.2
Step-by-step explanation: