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.
The blank is- greatest. Ordering numbers from least to greatest
Answer:
see explanation
Step-by-step explanation:
Given
T= 2π
Square both sides
T² = 4π²
( divide both sides by 4π²
= 
Multiply both sides by g
L = 
Answer:
Step-by-step explanation:
everything but m<10