answer: 1.75
say you have 1 dollar and 3 quarters, this would give you $1 dollar and 75 cents =1.75
Answer:
Six years
Step-by-step explanation:
because it will divided the twoo digit and mutiple it self
I mentally get | 0 0 | | 0 | .
Answer:
sn = d/2·n^2 + (a - d/2)·n
sn = (-4)/2·n^2 + (19 - (-4)/2)·n = -441
- 2·n^2 + 21·n = -441
- 2·n^2 + 21·n + 441 = 0
n^2 - 21/2·n - 441/2 = 0
use pq-Formula
n = -10.5 ∨ n = 21
only n = 21 makes sense. So n = 21 is the correct answer.
