Answer:
b. 240
Step-by-step explanation:
sin of 300 is equal to -.86
sin of 240 is equal to -.86
use calculator
Answer:
FALSE !
Step-by-step explanation:
Answer:
x=10, y=-5
Step-by-step explanation:
2x+3y=5, y= 5-x; change y to 5-x:
2x+3(5-x)=5
2x-3x+15=5
-x=5-15
-x=-10
x=10
=>y=5-x=5-10=-5