Answer:
Step-by-step explanation:
x²-5x=0
x(x-5)=0
x=0,5
Answer:2/3
Step-by-step explanation:
Answer:
Step-by-step explanation:
There are some typos in your question.
(2x) + (x+90) = 180°
3x + 90 = 180°
x = 30°
Simple, first change the 4.5% into 0.045
Thus,
900=0.045*n
900/0.045=0.045n/0.045
20,000=n
Thus, your answer is 20,000.
Answer:
-6-2x
Step-by-step explanation:
Expand:
(x+3)2 = 2x+6
-4(x+3) = -4x-12
2x+6-4x-12 = -6-2x