What is 3 ÷ 2/5??? pls help
3 answers
Answers
7.5
Step-by-step explanation:
well there are two answers for that.
1: you need 120 ones then that will equal up to 120.
2: you could also do one 100 and 2 tens.
those are the answers that i have thought of.
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!
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