Answer:
There are 8 people on the train.
Step-by-step explanation:
20 - 15 = 5
5 + 3 = 8
I think it might be r= -3
John
| \
| \
|. \
|. \
(a)400ft
|. \
|. \
|. \(c) length of rope
|. \
|. \
|____________________Boat
350 ft (b)
Pythagorean theorem
a-squared + b-squared = c-squared
400-squared + 350-squared = c-squared
160,000 + 122,500 = c- squared
282,500 = c-squared
Now take the square root of each side of the equation
531.5 = c
The length of the rope is 531.5 feet
Your answer will be x > <span>−<span>4</span></span>
<span>A) All integers where n>0
[ Number of marbles can't be negative, fraction or in decimal so it must be positive integer where n is greater than the zero ]
Hope this helps!</span>
