The entry in row 1, column 1 of 
is
(i.e. the dot product of row 1 of 
and column 1 of 
)
The entry in row 1, column 2 of is
The second option is the correct answer.
10 times (3*4)
You have to multiply 10 with both of the numbers in parenthesis
So, 10*3=30 and 10*4=40
30+40=70
Does this look right for the first one
Answer 15y 3x
Step-by-step explanation: 4 + 6 + 3 =15y
and you have 3x
Answer:
I think the answer is $798
Step-by-step explanation:
143×2=286
200×2=400
56×2=112
286+400+112=$798
3x + 2y = 6....solution (0,3)
-5x + y = -10...solution (1,-5)
x - 4y = 8...solution (4,-1)
-6x - 5y = 30...solution (0,-6)
