Which numbers are the extremes of the proportion shown below? 4/7=20/35
a. 7 and 35, b. 4 and 20, c. 7 and 2, d. 4 and 35

Option (D) is the correct answer.

Step-by-step explanation:

Extremes of proportion means the smallest and largest value in a proportion.

A proportion is written in the form of a:b: : c:d.

Or, it can also be written as

Therefore, the given proportion is as follows.

Thus, the extremes of this proportion will be 4 (smallest value) and 35 (largest value).

Hence, we can conclude that out of the given options, 4 and 35 are the extremes of the proportion  .

the answer is 15% decrease

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!