Answer:
I believe the answer is <em>C</em>
Step-by-step explanation:
Answer:
the right answer is 170
Step-by-step explanation:
so the 90° angle had been divided into 2 so x is 45°
therefore 45×4 is 180 -10= 170
Answer:
thanks.
Step-by-step explanation:
If n is odd then its cube is also odd because odd times odd is odd. When we add 5, an odd number, we get an even number.
If n is even, its cube is also even so adding an odd number makes the sum odd. So if the expression is odd, n must be even.