B. 5
Remove the parentheses
7+3i-2-3i
Since two opposites add up to zero, remove them form the expression
7-2
Subtract the numbers
5
Answer:
24
Step-by-step explanation:
Okay first set up the equation
x
--- -2 = 5.5
-3
add over the 2
x
--- = 7.5
-3
now you need to multiply the denominator by the answer
(-3)(7.5) = x
-22.5 = x
To find a number's , let's say "x%" you should multiply that number by,
![\frac { x }{ 100 }](https://tex.z-dn.net/?f=%5Cfrac%20%7B%20x%20%7D%7B%20100%20%7D%20)
, so we want to find 150 's 20% , so we will multiply , 150 with
![\frac { 20 }{ 100 }](https://tex.z-dn.net/?f=%5Cfrac%20%7B%2020%20%7D%7B%20100%20%7D%20)
, so :
Answer:
Huh, the answer option doesn't exist. The answer is 7.5 You can double check my answer by multiplying 7.5*4 because 25% is 1/4th of 100%.
Step-by-step explanation:
Use cross multiplication. I've heard it being called butterfly multiplication. I'll try to represent it as best as I can.
x 25
---- = --------
30 100
You multiply 30 by 25 and x by 100
x*100=30*25
Then solve for x
x*100=750
x=750/100
x=7.5
Hope this helps :)