Answer:
68
Step-by-step explanation:
you have to add to 180 and 68+112=180
We have to write

In log form
To convert exponential equation to log equation, we have to use the following rule
So we will get

or

And that's the required log form .
Answer:
Step-by-step explanation:
(2x+4)° + 42° = 180°
x = 67°
Answer:
23 pieces of yarn
Step-by-step explanation:
12.42cm divided by 0.54cm = 23
pls mark brainliest....:)
Answer:
10 hours
Step-by-step explanation:
320 = 30x + 20
300 = 30x
x = 10