I assume you're looking for the number:
0.5n + 9 = 21
- 9
0.5n = 12
÷ 0.5
n = 24
So the beginning number is 24, hope this helps!
X = 17
y = 18
I subtracted the other sides of the first triangle by 2 to get the missing values.
The sum of the two sides of the triangle must be greater than the third side, so
5<x<41 is the answer
Answer:
0.67 Laps per minute
Step-by-step explanation:
4 Laps over 6 Minutes
4/6 = 0.67
