Heres a trick i learned look at the digit your rounding look to your right is it 5 or higher? yeas add 1 more to the one you are rounding if not then you drop the numbers after the one you are rounding so 8.54 is now just 8.5
Answer:
1.09
Step-by-step explanation:
5.45/5=1.09
Answer:
30.5
Step-by-step explanation:
cos18=29/x --> reciprocate for simplicity : 1/cos18=x/29 --> solve for x
<span>V - E + F = 2
30 - 60 + F = 2
- 30 + F = 2
F = 32
Answer: 32 faces</span>
