Abstract Algebra Answers

In a survey of a TriDelt chapter with 50 members, 18 were taking mathematics, 35 were taking English, and 6 were taking both. How many were not taking either of these subjects?

From a survey of 100 college students, a marketing research company found that 45 students owned iPods, 15 owned cars, and 5 owned both cars and iPods.
(a) How many students owned either a car or an iPod (but not both)?

(b) How many students do not own either a car or an iPod?

One side of a rectangle is y cm long. The other side is 2 cm shorter. The side of a square is 2 cm shorter
still. The sum of the areas of the square and the rectangle is 148 cm². Find an equation in y and
solve it.

In a survey of a TriDelt chapter with 50 members, 19 were taking mathematics, 35 were taking English, and 9 were taking both. How many were not taking either of these subjects?

in probability.there are students in a college and the probability that each is carrying a maths table is 2/7.when 4 stude nts are cosen at random what is the probability that of the 4, 2 are carring tables and 2 are not.now how is the answer 600/2401.from a text book please explain to me .confused

Let A and B be two matrix. Is there any relation between NULL(A) and NULL(AB) ? Is there any condition that NULL(A)=NULL(AB)

1. A package contains 18 candy canes, 10 of which are cracked. If 4 are selected, find the probability of getting no cracked candy canes.

A. Use de Moivre’s formula to verify that the 5th roots of unity form a group under complex multiplication, showing all work.



B. Let F be a field. Let S and T be subfields of F.

1. Use the definitions of a field and a subfield to prove that S ∩ T is a field, showing all work.