A) x=1,-13
B) x= -1 +- square root of 21 dvided by 10
C) x= 3 +- i square root of 7 divided by 2
D) x= 1 +- i square root of 11 divided by 4
Answer:
4!
Step-by-step explanation:
using the slope formula and the points (-1, 0) and (-2, -4) on the line:
-4 - 0 / -2 - -1 = -4 - 0 / -2 + 1 = -4 / -1, and since both the top and bottom are negative, they make a positive, giving you a positive 4
the slope formula is rise/run, or y2 - y1 / x2 - x1!
Percentage of Total value of Adele’s account of the total value of Leela’s account = [Va / Vl]*100
Vl = 500 * (1.045)t
Va = 500 * (1.045) (t+2) [this is an amendment of your equation]
[Va/ Vl]*100 = [500 * (1.045)(t+2)] / [500 * (1.045)t]*100= [t+2]*100 / t
[Va/ Vl]*100= [100t + 200] / t = 100 + 200 /t
The first year, t = 1: 100 + 200/1 = 300 %
After two years, t = 2: 100 + 200/2 = 200%
After three years, t = 3: 100 + 200/3 = 167 %
Answer:
because they help us better analyze data
Step-by-step explanation:
we can see a lot of data on one small thing such as a graph, so we can easily graph data from many years on one graph