Answer: x = -30
Step-by-step explanation:
y = -20 by using process of elimination substitute y as -20 in either of the equations you get -30 for x
For the first digit there are 7 choices. For the second digit there are 6 choices (because we can't use the same one again). And so on, until there is only one choice for the last digit.
The number of possible codes is this:
7*6*5*4*3*2*1 = 7! = 5040
In five hours the temperature would be -13 degrees F. Hope this helps.
In statistics, the mean is the average of all data. You sum up all the data and divide to the number of data. Median, on the other hand, is just the middle term of the data when arranged from least to most.
So the measure that would change most is the mean. The new mean would be -5.82. While the new median would just move to the next data point which is 101.
