Answer: x = 11
Step-by-step explanation:
Complementary angles = 90*
Set the two equations equal to 90. Solve
4x + 6 + 4x - 4 = 90
8x +2 = 90
8x = 88
x = 11
Plug it in to see if it makes equation true
4 (11) + 6 + 4 (11) - 4 = 90
44 + 6 + 44 - 4 = 90
50 + 40 = 90
90 = 90
Answer:
The answer is 14.46%
Step-by-step explanation:
Given is : A culture containing 20 bacteria multiplies to 117,360 in one minute.
Let A0 be initial bacteria count = 20
Let A be final bacteria count = 117360
Time = 60 seconds
R = rate
Formula to be used = 


Taking log function (ln) on both sides.


Hence, r = 0.1446 and in percentage it is 14.46%