Answer:
127 pages.
Step-by-step explanation:
254 divided by 2 equals 127.
Isolate the variable by dividing each side by factors that don't contain the variable.
x = −1
Answer:
'∂' -- means a partial differential
'Δ' -- means a change in some variable.
'σ' --means 'sum' and 'deviation'.
The text says something about the world turning so maybe the equation has something to do with that? Maybe it is the equation for the earth's rotation. Sorry I can't find anything else, but I hope this helps a bit!
Answer:
The answer is 11a+3
Step-by-step explanation:
Simplify the terms.
8a+3+5a-2a
Combine like terms.
8a+5a-2a=11
11a+3
The sides are 2, 1, 1.5, and 2.5 clockwise