4(2 + 3) - [7 - [4 - (8 + 5)]]
First, do the parentheses:
4(5) - [7 - [4 - 12]]
Then complete the rest from the inside out:
20 - [7 - (-8)]
20 - 15 = 5
Answer:
-3
Step-by-step explanation:
you start with the parentheses -16-9 turns into -16 + (-9)
and then you try to solve everything.
Answer:
-8y=6
Step-by-step explanation:
-6x+6x =0
4+(-12)=-8
-8+14= 6
Answer:
-19
Step-by-step explanation:
We know:
Samuel walks forward 19 steps. So number is+19
We need to find:
How would he represent the opposite of this number
Answer :
Number = 19
To represent the opposite of this number Samuel should first take 19 steps back to reach his original position that is zero and then needs to move 19 steps backward to get -19.
Answer:
Option D) is true about median
Step-by-step explanation:
We are given the following information in the question:
Median:
- The median is the middle number or the center of the data when the data is sorted in either ascending or descending order.
- The median is not affected by the presence of any outliers since the data is sorted.
Option A) Medians are not affected by the outliers
Option B) Medians can only be calculated when the data is sorted.
Option C) This is a false statement about the medians.
Option D) True
When there are even number of observations, the median is the mean of the two middle numbers.