Answer:
(x, y) = (0, 4)
Step-by-step explanation:
The two lines intersect at their y-intercept: (x, y) = (0, 4).
Answer:
+2Na
Step-by-step explanation:
its like algebra kinda when you have a 3y or 2x your Na ion is multiplied by 2 becoming 2Na
Answer:
4/9
Step-by-step explanation:
The possibilities of transportation: (The first will be for morning, second will be for afternoon)
B, B
B, C
B, T
C, B
C, C
C, T
T, B
T, C
T, T
It is clearly seen that there are 9 transportation options.
(Using cab 1 time we have BC, CB, CT, TC. So four of the transportation methods use cab one time.)
Therefore, the probability that she will use a cab only once is 4/9.
Answer:
B and D
Step-by-step explanation:
Take a look at all the options x=4, 3, 1, 2 > 0
So, we just care about the domain where x>0, which is 
.
Then plug in x we will have the right answer.
