Answer:
1)
- Greater than -10 and less than 10.
2)
- Greater than or equal to -10 and less than or equal to 10.
3)
- Greater than or equal to -10 and less than 10.
4)
Greater than -10 and less than or equal to 10.
Step-by-step explanation:
There are four form of describing that set in interval notation, which presented below:
1)
- Greater than -10 and less than 10.
2)
- Greater than or equal to -10 and less than or equal to 10.
3)
- Greater than or equal to -10 and less than 10.
4)
Greater than -10 and less than or equal to 10.
You would have to find the proportionality of the two. If his shadow is 3 feet long, and the tree's shadow is 9 that means it is proportioned by 3. So the height of the tree would be 15.
Answer:
8
Step-by-step explanation:
When doing these types of problems, we convert the percent to a decimal. In this case,
40%=0.4
0.4*20=8