Answer: 28.27cm^2
Step-by-step explanation:
π ×r^2
π×3×3
9π or 28.27 (2dp)
1.8 because you substitute 2/5 with N
Answer: 1. ?? 2. 12 hours
Step-by-step explanation:
For 1., you never told us how much snow there already is.
For 2., you do 420 divded by 35, which gives us 12.
All functions are relations, but not all relations are functions. A function is a relation that for each input, there is only one output.
EXPLANATION;
Functions are relations that have only one output for any unique input. To tell whether a graphed relation defines a function, you can use the vertical line test.
23-n > 33
- <--- that's a greater than or equal to sign