Answer:
402.12
Step-by-step explanation:
Answer:
x = ±
Step-by-step explanation:
Given
3x² - 2 = ab ( isolate the x² term by adding 2 to both sides )
3x² = ab + 2 ( divide both sides by 3 )
x² = ( take the square root of both sides )
x = ±
We would have to add enough blue marbles so that the red marbles are equal to 3/4 of the marbles in the bag. So we divide 18 by 3 which is 6. 6 is how many blue marbles we need to add to the bag. I hope this makes sense, let me know if you still need help!
Answer: 2 ml
Step-by-step explanation:
1 litre is equal to 1,000 ml, and therefore the best solution is 2 ml.