Answer:
x= -3
y= 1
z= 4
Step-by-step explanation:
Please see the attached pictures for the full solution.
*I evaluated the determinants using Sarrus' rule (see last picture):
∆= aei +bfg +cdh -gec -hfa -idb
*The symbol '∆' (delta) is usually used to denote a determinant.
Answer:
25, 31, 38
Step-by-step explanation:
The first differences are increasing by 1 each time. The next differences will be 5, 6, 7, so the next numbers will be 25, 31, 38.
Answer:
It should be (-1,5). Are you sure the answers are written correctly? The third one is correct but the 1 in it needs to be a negative
Answer:
9 dollars per hour
Step-by-step explanation:
We want to use a ratio to find the rate in dollars per hour
72 dollars / 8 hours
Simplify by dividing the top and bottom by 8
9 dollars / 1 hour
9 dollars per hour
280........................................
