david invest $10,000 in a CD that pays 8% compounded quarterly. how long will it take his investment to double

Step-by-step explanation:

1. Write a equation

2. plug in 20,000 to y

3. Solve

fwms@lil_ben06

step-by-step explanation:

first, you divide the triangle in two, tô form a retangle triangle. after, using pythagoream theorem:

18^2 = 14^2 + (x/2)^2

(x^2/4) + 196 = 324

x^2/4 = 324 - 196

x^2/4 = 128

x^2 = 512

x = √512

x = √2^9

x = 16√2 cm

i hope i you.