Answer:
Step-by-step explanation:
- step one foil method
- step two adding the like terms
Answer:
B
Step-by-step explanation:
in parallel lines, corresponding angles on each line must be the same.
You can also tell that 2 obtuse angles aren't supplementary as they don't add up to 180 degrees.
Each day the amount increases by $32 and at days=0 he had $80 so:
b. Joseph has $80 in his bank account and earns $32 each day.
Answer:
B) A racquetball club has a tournament where each member plays every other member and represents the scores in a matrix.
Step-by-step explanation:
A square matrix is where the number of rows is equal to the number of columns like order 2x2, 3x3, 4x4, 5x5 etc.
Given options are:-
A) A shoe salesperson wants to use an augmented matrix to represent the quantity of children’s shoes and adult shoes sold at his store for two days.
It is 2x2 times 2x1 = 2x1 matrix.
B) A racquetball club has a tournament where each member plays every other member and represents the scores in a matrix.
It is 6x1 times 1x6 = 6x6 matrix.
C) A student wants to write a coefficient matrix representing a linear system with two equations and three unknowns.
It is 2x3 times 3x1 = 2x1 matrix
D) A teacher wants to write an augmented matrix representing a linear system with four equations and four unknowns.
It is 4x4 times 4x1 = 4x1 matrix.
Hence option B is correct.
Answer:
Hi, I am little confused for what im supposed to do can you please help me understand a little more so i i can answer, thanks!
Step-by-step explanation:
