Answer:
So the union of sets A and B is the set of elements in A, or B, or both. The symbol is a special "U" like this: ∪ Example: Soccer = {alex, hunter, casey, drew}
Step-by-step explanation:
Answer:
Step-by-step explanation:
Set this up as a proportion with the ratios being
If there is a 2:5 ratio of vinegar to oil, that ratio looks like this:
and if we are looking for how much oil, x, is needed for 20 ml of vinegar, then that ratio completes the proportion:
and cross multiply.
2x = 100 so
x = 50 ml of oil
Answer:
63 is 90% of 70
Step-by-step explanation:
multiply 70 x .9 or 70(.9)
1 3/4 closer to 2 : 3/4 > 2/4 = 1/2
1/8 closer to 0: 1/8 < 4/8 = 1/2
1/24 because you have a 1/6 chance of rolling a 2 and a 1/4 chance of pulling a spade and when multiplied you get 1/24