Answer:
6.70, 6.90
Step-by-step explanation:
It goes up .20 each time
The probability of drawing a black marble is 7/31 or .226 or 22.581%. To find the probability of these type of questions, add all together to get 31, then since there are 7 black marbles the probability would be 7/31.
Answer:
Step-by-step explanation:
153+12x-3=13+x
the answer would be,
![u > \frac{3x}{7} - \frac{9x - 7i}{21}](https://tex.z-dn.net/?f=u%20%3E%20%20%5Cfrac%7B3x%7D%7B7%7D%20%20-%20%20%5Cfrac%7B9x%20-%207i%7D%7B21%7D%20)
sorry. if wrong.
but hope it helps anyways.