No, a set is only a subset of another set if it only contains elements contained in the original set.
3 isn't an element of {1,2,4,5,6}, so {3} isn't a subset of {1,2,4,5,6}.
Answer:
a) $()
b) $(20m + 7080 - 43200/m)
d) m= 36 or m= -60
e) $200
Step-by-step explanation:
Please see the attached pictures for full solution.
Answer: She invest 41500 at 7% interest and 900 at 11% interest.
Step-by-step explanation:
Formula for simple interest =
Let
Simple interest by first investment =
Simple interest by second investment =
As per given,
Total interest = $204
Hence, she invest 41500 at 7% interest and 900 at 11% interest.