Mean:
Add all the numbers:
13 + 17 + 15 + 18 + 21 + 13 + 20 + = 16.7
16.7 + 3.7 = 20.4
Mean = 20.4
Median:
Order the numbers:
13, 13, 15, 17, 18, 20, 21
The median, or middle number is 17.
17 + 3.7 = 20.7
Median = 20.7
Mode:
The number that repeats the most is 13.
13 + 3.7 = 16.7
Mode = 16.7
Range:
Highest Number = 21
Lowest Number = 13
21 - 13 = 8
Range = 8
The answer choice that matches is choice A.
Hope this helped☺☺
Answer:The sides opposite to equal angle are equal. i.e. Now the length of side of BC is: 5x=5×3=15 units. Length of BC=15 units.
Step-by-step explanation::The sides opposite to equal angle are equal. i.e. Now the length of side of BC
Answer:
9
Step-by-step explanation:
if you mean -3.2x+9 then the answer is 9 because you plug in 0 into x and solve the equation, you get the x intercept
Answer:
C
Step-by-step explanation:
I am pretty sure I dont know.