5 is 1/10 of what number? Help please

I think it's the number is 50

50

Explanation:

Let's say the missing number is N

Solve for n by simplifying both sides of the equation, then isolating the variable

So n=50 basically 5 is 1/10 of 50

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!

the answer is $42.96

step-by-step explanation: