Answer:
15
Step-by-step explanation:
substitute the values that are given into the expression.
c + a = x
12 + 3 = x
15 = x
The following subsets you can be able to create are:
{1}
{2}
{3}
{1,2}
{1,3}
{2,3}
{1,2,3}
Therefore, there are 7 subsets in all. However, we don't have to list all these possible outcomes because we could waste our time doing this but there is a formula, that is 2^n - 1 where n is a number of elements.
In the given, since there are 3 elements inside the set then we use 2^3 - 1 = 8 - 1 = 7.
See...it's easy.
1. Convert the mixed fractions to a decimal.
2 1/4 is 2.25
1 2/4 is 1.5
2. Add them up.
3. 3.75 as a decimal or 3 3/4 as a mixed fraction or 15/4 as a improper fraction.
38
430
49
mph I think... maybe
