Pretty sure it’s the first answer
Answer:
-18/3
Step-by-step explanation:
Multiply the denominator and numerator by the same whole number.
Answer:
Subtraction and Division
Step-by-step explanation:
2x+8=9
2x+8-8=9-8
2x=1
x=1/2
Answer:yes
Step-by-step explanation:
Answer:
x = 5
Step-by-step explanation:
using the sine or cosine ratio in the right triangle and the exact value
sin30° =
, then
sin30° =
=
=
( cross- multiply )
2x = 10 ( divide both sides by 2 )
x = 5