Answer:
x(x-1)=72 x=9
Step-by-step explanation:
The average speed is 37 minutes
25 + 45 + 40 = 110
_____
3)110. 36.6
9
20
18
2
Answer:
4.8h - 2.9d - 16
General Formulas and Concepts:
<u>Algebra I</u>
Step-by-step explanation:
<u>Step 1: Define</u>
8h - 7.9d - 16 + 5d - 3.2h
<u>Step 2: Simplify</u>
- Combine like terms (h): 4.8h - 7.9d - 16 + 5d
- Combine like terms (d): 4.8h - 2.9d - 16
3.25 - 2.95 = 0.3
The difference between 3.25 and 2.95 metres is 0.3 metres.