Answer:
shown below..I can't see..
Answer:
93.5 for area
Step-by-step explanation:
there is no picture so that's a simple guess
(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.
Answer:
a) False
b) True
c) True
d) True
e) True
Step-by-step explanation:
a) Consider the sets and . Observe that A is a subset of B and but
b) Any number different of 0 can be positive and negative simultaneusly. Then doesn't exist such that . Then the set is empty.
c) If the multiplication AB is defined and A and B are square matrices with A of size nxn, then B is the size nxn and the matrix AB is the size nxn.
d) Let A and B subsets of a set S. Since each element of A and B are in S then each element of is in S. Also, if , the and then . This shows that .
e) By definition AA=A^2
Answer:
432
Step-by-step explanation:
V=length×width×height
= 8×6=48
=48×9=432
Answer:
Step-by-step explanation:
Answer:
d = 4√5
Step-by-step explanation:
d² = 8² + 4²
d² = 64 + 16
d² = 80
d =√80
d = √(16 * 5)
d = 4√5
Answer:
Step-by-step explanation:
hard to see graph ....
5a(y + 4) + 8(y + 4)
Answer:
Factoring the term we get
Step-by-step explanation:
We need to factor the term:
Factoring:
Taking (y+4) common
It cannot be further factored.
So, Factoring the term we get
if they're in a bundle of 10 then theres 10 pencils
AB) = 6, then n(AUB) is
Step-by-step explanation:
The above answer is right no doubt