Answer:

Step-by-step explanation:
Given:

using the properties of log we can take the power 1/2 and multiply it.

now we can differentiate:



this is our answer!
Answer:
60degrees
Step-by-step explanation
To get the angle x, you must first know that the sum of angle at a point is 360degrees. Hence;
x + <ADB + <CDB = 360
x +150 + 150 = 360
x+ 300 = 360
x = 360 - 300
x = 60
Hence the value of x is 60degrees
Answer:
what does oc mean?
Step-by-step explanation: