Answer:
WHERES THE QUESTION?
Step-by-step explanation:
2/3
turn the fraction into a improper 3/2 then flip the fraction 2/3 thats the reciprocol
the first one is correct
Answer:18.6
Step-by-step explanation: 40 divided by 100=0.4, 0.4 x 31= 12.4, 31-12.4=18.6
x² - 16/25 = 0
x² = 16/25
x = ±√(16/25) = ±4/5
Answer: x=4/5 and x=-4/5