Answer:
bottom lock: 30lb. top lock: 66
Step-by-step explanation:
the x=9 and the y=3 so do order of operations. (9x2)+(3x4), then 18+12=30. 30lb. is the first lock. then do (9x3)+9+30. the second lock is 66.
Answer: x=6
Step-by-step explanation:
1) add 1/8 to both sides
2) divide both sides by 1/4
3) 1.5/.25= 6
1 ) 9 x + 18 > 9 x - 27
9 x - 9 x > - 27 - 18
0 * x > - 45
Always true
2 ) 6 x - 13 < 9 x - 12
6 x - 6 x < - 12 + 13
0 * x < 1
Always true
3 ) - 6 ( 2 x - 10 ) + 12 x ≤ 180
- 12 x + 60 + 12 x ≤ 180
0 * x ≤ 180 - 60
0 * x ≤ 120
Always true.
Answer:
Step-by-step explanation:
1. 6.96 in
2. 2.6 in
3. 8.1 in
4. 5.6 m
5. 1.89 cm
6. 6 in