Answer:
Some ways of saving energy include : turn off the fan / lights when you leave a room, hang your clothes out to dry, don't run your dishwasher half full, turn off the water when your not using it, don't stand in front of an open refrigerator door. Hope this helps :)
Answer:The mean is the most frequently used measure of central tendency because it uses all values in the data set to give you an average. For data from skewed distributions, the median is better than the mean because it isn't influenced by extremely large values.
Step-by-step explanation:
Answer: 21
Step-by-step explanation: Just plug in the numbers for x, and you get 21 when you plug that in.
Answer:
A) no solution
Step-by-step explanation:
These lines are parallel. This means they never intersect; since the solution to a system of equations is the point or points of intersection, this means there is no solution to this system.
Answer:
0.01
Step-by-step explanation:
(4000/4) * (10^-5)
1000* 0.00001
0.01
