Answer:
Complementary
Step-by-step explanation:
adding up to 90 degrees
B is the answer to the question :)
Answer:
Length of other board
metres
Step-by-step explanation:
Given: Length of board =
metres
Length of board was divided into two.
Length of one piece =
metres
Let
= length of the other board
Length of the other board = Length of board - Length of one piece
So, 

Thus, length of the other board
metres
Answer:
3.6
Step-by-step explanation:
11x=40
X=40/11
Answer:
14 knots
Step-by-step explanation:
We know the speed (55 knots) is 6 more than 3.5 times the winner of the monohull in the 2007 tournament.
So let's set the variable for the speed of the monohull to <em>m</em>. Now, let's set up an equation:

We can solve this by first subtracting 6 from both sides to get:

Dividing both sides by 3.5 we get:

That means that the top speed of the monohull in the 2007 tournament was 14 knots