Answer:
22s - 9
Step-by-step explanation:
The perimeter (P) is the sum of the 4 sides , that is
P = 2s + 7 + 9s - 5 + 6s - 10 + 5s - 1 ( collect like terms )
= (2s + 9s + 6s + 5s) + (7 - 5 - 10 - 1)
= 22s + (- 9)
= 22s - 9
Answer:
No
Step-by-step explanation:
the salesman's claim is false because the new machine only makes 20 items an hour and the old one makes 25. So in 8 hours the new machine will only make 160 items and the old one will make 200
I think that will be 1000
Answer: 720 mph or 12 miles a minute
Step-by-step explanation:
Answer:
Step-by-step explanation: