Melanie opens 2 bank accounts. In the first, she deposits $1,500 and earns 9% simple interest for 3 years. In the second she deposits
$1,500, and earns 7.5% interest, compounded annually, for 3 years.
Which account has more money at the end of the 3 years?

∠cbe and ∠deb are same-side interior angles.

i took the test

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!

y=-2.5x+12.5

step-by-step explanation:

5y=2x+10

y=0.4x+2

slope=-2.5

5=-2.5*3+b

b=12.5

113.1

step-by-step explanation:

v=4

3πr3=4

3·π·33≈113.09734