Answer:
C
Step-by-step explanation:
All you have to do to find what number a certain number is a certain percentage of is to divide the known number by the percentage that it is reduced by.
To do this, we must first convert the percentage into a decimal. To do this, we can either divide the percentage by 100, or (my personal shortcut) just shift the decimal point over two places to the left.
40% = 0.4
Now, we divide the known by the percentage/decimal.
72 / 0.4 = 180
72 is 40% of 180.
Hope that helped! =)
Answer:
1. A
2. I cant see answer<u> D</u>
But if it's 36
<u>IT'S CORRECT</u>
Answer: a=-6; b=1
Explanation:
This is the same thing as saying -6+1i. Therefore for the general form a+bi, a equals -6 and b equals 1