Answer:
Elimination
Step-by-step explanation:
Graphing takes too long, substitution can sometimes complicate things quickly, therefore I would use elimination as my prime method of solving systems of equations.
Answer:
6m
Step-by-step explanation:
You can use pretend the shape is a whole parallelogram, then divide it, you can only do this when you have a right angle, however. Or you can use a triangle area formula calculator.
4*3 :2
=4*3= 12
= :2
=6m
Use trigonometry
sin 42 = a / 21
a = 21 sin 42 = 14.05
Answer:
0.3
Step-by-step explanation:
another person put that and everybody scored him 5 stars so im pretty sure its 0.3 for Plato users
