Mathematics, 14.09.2019 04:10 Kiona3815
Answer the following true or false. justify your answer.
(a) if a is a subset of b, and x∈b, then x∈a.
(b) the set {(x, y) ∈ r2 | x > 0 and x < 0} is empty.
(c) if a and b are square matrices, then ab is also square.
(d) a and b are subsets of a set s, then a∩b and a∪b are also subsets of s.
(e) for a matrix a, we define a^2 = aa.
Answers: 1
Mathematics, 20.06.2019 18:04
Pls urgent max amount of points will be given and pls do not answer if unsure or you will be reported by me and brainliest answer gets the brainliest .. thing so yeh
Answers: 1
Mathematics, 21.06.2019 21:20
If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°
Answers: 2
Mathematics, 21.06.2019 23:20
Question 4 of 102 pointsjuliana had $96, which is eight times as much money as al had. how mucmoney did al have? select the correct solution method below, representingals money with x.
Answers: 2
Answer the following true or false. justify your answer.
(a) if a is a subset of b, and x∈b, t...
(a) if a is a subset of b, and x∈b, t...
Mathematics, 15.04.2020 21:03
Mathematics, 15.04.2020 21:03
Mathematics, 15.04.2020 21:03
History, 15.04.2020 21:03
Chemistry, 15.04.2020 21:03
Physics, 15.04.2020 21:03
History, 15.04.2020 21:03
English, 15.04.2020 21:03