C - no solution
you take the second solution and times the entire equation by -1
then simply
and you get 0x + 0y = 20
Answer:
zero
Step-by-step explanation:
1/2 feet is less than 3/4 feet, so is insufficient length for even one propeller. No propellers can be cut from the board.
Answer:
D
Step-by-step explanation:
try all of them
-------x-----------------------------20x---------------
some number line
25% for 90deg
15% for 54deg
10% for 36deg
All I did was put the degree number over 360 and moved the decimal place to the right twice :)
