# math i don't get it

posted by .

Scotty and his dad are repairing the railing along the side of the deck. They put up eight supports with 4 feet between each one. If the first support is at one corner of the deck and the eighth support is at the other corner, how long is the side?

• math i don't get it -

Let x = the supports. The ____ are the four feet between the supports. How many feet are there?

x____x____x____x____x____x____x____x

• math i don't get it -

I don't get it

## Similar Questions

1. ### algebra 2

Darla is building a new desk. To make sure she had made a square corner, she measures 4ft. from the corner along one edge and 6ft. from the corner along the other edge. How long (in feet) should the diagonal be between those two points …
2. ### science

Sarah needs to replace part of the metal railing on her deck and wants the new railing to match the existing railing. However, she does not know what metal the railing is made from. Which is a property that she can use to identify …
3. ### chemistry

Sarah needs to replace part of the metal railing on her deck and wants the new railing to match the existing railing. However, she does not know what metal the railing is made from. Which is a property that she can use to identify …
4. ### pre-algerbra

A farmer is building a square pen 21 feet on each side. He puts one post at each corner and one post every three feet in between. how many posts will he use. please give equation
5. ### algesebra

Darla is buildig a new desk. To make sure she made a square corner, she measures 3ft. from the corner along one edge and 4ft. from the corner along the other edge. How long should the diagonal be between those two points if the corner …
6. ### Pre-Calc

The cable in the center portion of a bridge is supported by five pillars to form a parabola. The center support is 10 ft high, the tallest supports are 210 feet high, and the distance between the two tallest supports is 400 ft. Find …
7. ### math i don't get it

Scotty and his dad are repairing the railing along the side of the deck. They put up eight supports with 4 feet between each one. If the first support is at one corner of the deck and the eighth support is at the other corner, how …
8. ### math

If a room is 13 feet wide and 18 feet long, how many feet is it from one corner to the opposite corner?
9. ### Math

Darla is building a desk. To make sure she had made a square corner, she measures 7ft from the corner along one edge, and 8ft from the corner of the other edge. How long should the diagonal be between those two points if the corner …
10. ### math

A rectangular field measures 350 feet by 400 feet. If you wish to go from one corner to the opposite corner, how much shorter is the trip if you walk along the diagonal rather than the edges?

More Similar Questions