Answer: (-5,1)
Step-by-step explanation:
x=-2y-3
4y-x=9
4y-(-2y-3)=9
4y+2y+3=9
6y+3=9
6y=6
y=1
x=-2y-3
x=-2-3
x=-5
Answer:
x ≥ 7
Step-by-step explanation:
multiply both sides of the equation by 4
2x - 6
4 × ---------- ≥ 2 × 4
4
2x - 6 ≥ 8
2x ≥ 8 + 6
2x ≥ 14
2x 14
-------- ≥ ---------
2 2
x ≥ 7
Answer:
take the population mean divided by four
Step-by-step explanation:
5 * 4 = 20
Answer: 20 quarter hours
