15f -8f+ 13= 55
⇒ 7f+ 13= 55
⇒ 7f= 55- 13
⇒ 7f= 42
⇒ f= 42/7
⇒ f=6
Final answer: f=6~
Answer:

Step-by-step explanation:
Given


Required
The distance between the top and John
The distance is calculated using:

Where
--- the angle between the diagonal line and the vertical line


So, we have:






<em> --- approximated</em>
Answer:
1. 3, 2, 1
2. 6, 7, 8
3. -2, -1, 1
4. -5, -6, -7
5. -34, -35, -36
6. 1, 2, 3
7. -11, -12, -13
8. -10, -9, -8
9. 11, 12, 13
10. 21, 22, 23
Step-by-step explanation:
All that was required was to write numbers that were smaller < or bigger > than the given number. Hope this helps:)
So about 2 inches or 5 inches
It's 6256 as the answer.So I would put it as 6250