Answer:
exact form 32/21
decimal form 1.523809 repeating
mixed number form 1 11/21
The equation for that is V = 1/2 A x C x H
Answer:
Step-by-step explanation:
Answer:
Alvin: 49
Elga: 40
Step-by-step explanation:
- The equation is 89 = x + (x-9).
- Remove the parenthesis and combine the like terms. 89 = 2x - 9
- Add 9 on both sides. 98 = 2x
- Divide by 2 on both sides. x = 49
- 49 is the age of Alvin. (49-9) 40 is the age of Elga.
10 1/2 I am pretty sure its right