Answer:
The value is 9.7
Step-by-step explanation:
Use the Pythagorean theorem.
a=7 b=x c=12
x=9.74679434481
x=9.7
1. -12i
Explanation:
The square root of 144 is 12 as 12 times itself is 144 now bi is the opposite of -bi therefore that positive 12 becomes negative and you add the i.
2. -2
Explanation:
2 squared is 4 therefore the square root of 4 is 2 then add the negative
Hope that helps! Have a good day :)
The equation is 800=12x
Divide each side by 12
So the answer is 66.66...repeating which is about 67 word per minute
-200, -300, -450, -675 is the correct answer for this question.