Answer:
|x y 1|
|7 -3 1| = 0
|4 -8 1|
x*(-3*1 - (-8)*1) - y*(7*1 - 4*1) + 1*(7*-8 - 4*-3) = 0
5x - 3y - 44 = 0
Step-by-step explanation:
Answer:
= because 3 quarters are equal to 75 cents
The area of the dock is 20ft
Vertical angles are always equal. The vertical angles are the ones opposite each other. Therefore x would equal 40.
Answer: 38 m
Step-by-step explanation:
5 + 2 + 2 = 9
9 * 2 = 18
4 * 5 = 20
18 + 20 = 38