Answer:
4 hours
Step-by-step explanation:
For Pham to maximize her income, she must consider the jobs with the highest per-hour earnings first. She has 15 hours to work. Her priorities should be as below.
Work at the cafe for 6 hours for $15 per hour
Work at the garage for 5 hours for $13 per hour
Work at the books store for 4 hours for $12 per hour
A total of 15 hours. Pham can work at the book store for 4 hours per week to maximize her income.
might be wrong srry
Answer:
True, every input has one output
Step-by-step explanation:
Solve the system of equations
using Cramer’s Rule.
1. Find the determinants:
2. Now find unknown variables:
Answer: the minimum number of determinants that are needed to solve for all unknowns in the system of linear equations is 3.
Answer:
21z+84
Step-by-step explanation.
7x3=21 then put the z at the end 21z.
7x12=84. Put it after the 21z. 21z+84