The graph represents a distribution of data.
what is the mean of the data?
35
40
45
50
55
60
65 x

Mean = 50

Step-by-step explanation:

Step 1: Write the mean formula

Mean = sum of data/ total number of data

Step 2: Calculate the sum of data

35 + 40 + 45 +50 + 55 + 60 + 65 = 350

Step 3: Find the total number of data

Total number of data = 7

Step 4: Calculate the mean

Mean = sum of data/ total number of data

Mean = 350/7

Mean = 50

Therefore, the mean of this data is 50.

!!

y -5 = (-1/4)(x + 8)

step-by-step explanation:

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!