One and one-half plus one-tenth equals 1 and six tenths or one and three fifths.
One half of a quart is one pint.
1 - 1/10 = 9/10
1.5 + 0.5 + 1 = 3 You seem to be unaware of the fact that you could have obtained the answer much more easily and quickly by using the calculator that comes as part of your computer.
1.5 tablespoons of water is 22.5 mls.
Zero plus one equals one.
One plus one equals two.
you have to make a number line and show your work
There is no reason at all. For most angles sin plus cos do not equal one.
I believe that it does equal one!