Answer:
x=10, 120
Step-by-step explanation:
5x+70=7x+50
-5x -5x
70=2x+50
-50 -50
20=2x
---- ----
2 2
10=x
5(10)+70=7(10)+50
Answer:
The expression which gives the probability that she will select two red cubes = 5/12 * 4/11 ....
Step-by-step explanation:
According to the statement there are 4 red cubes and 7 white cubes.
The total number of cubes are = 7+5 = 12
If she picks up one red cube then the number of ways of picking up red cubes out of 12 is = 5/12
If she picks up 2nd red cube then the number of ways of picking up 2nd red cube = 4/11
Therefore the expression which gives the probability that she will select two red cubes = 5/12 * 4/11 ....
Answer:
y=9
Step-by-step explanation:
The answer is A.
85/5 is 17 and scales are unit rates. Also, process of elimination.
