6.023 ..i.think i.am not.gor sure..sorry
A. C D and G
B. FD, DG, FG, and DC
Answer:
Scatter plots help visually illustrate relationships between two economic phenomena, such as employment and output, inflation and retail sales, and taxes and economic growth.
Step-by-step explanation:
Answer:
0.0009
Step-by-step explanation:
0.9 / 10^3 = 0.0009
Answer:
![\frac{\left(h+c\right)cr^2}{h\left(r^2-c^2\right)}](https://tex.z-dn.net/?f=%5Cfrac%7B%5Cleft%28h%2Bc%5Cright%29cr%5E2%7D%7Bh%5Cleft%28r%5E2-c%5E2%5Cright%29%7D)
Step-by-step explanation:
![\frac{\frac{1}{c}+\frac{1}{h}}{\frac{1}{c^2}-\frac{1}{r^2}}](https://tex.z-dn.net/?f=%5Cfrac%7B%5Cfrac%7B1%7D%7Bc%7D%2B%5Cfrac%7B1%7D%7Bh%7D%7D%7B%5Cfrac%7B1%7D%7Bc%5E2%7D-%5Cfrac%7B1%7D%7Br%5E2%7D%7D)
Combine ![\frac{1}{c} + \frac{1}{h}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7Bc%7D%20%2B%20%5Cfrac%7B1%7D%7Bh%7D)
![\frac{\frac{h+c}{ch}}{\frac{1}{c^2}-\frac{1}{r^2}}](https://tex.z-dn.net/?f=%5Cfrac%7B%5Cfrac%7Bh%2Bc%7D%7Bch%7D%7D%7B%5Cfrac%7B1%7D%7Bc%5E2%7D-%5Cfrac%7B1%7D%7Br%5E2%7D%7D)
Combine the bottom, too.
![=\frac{\frac{h+c}{ch}}{\frac{r^2-c^2}{c^2r^2}}](https://tex.z-dn.net/?f=%3D%5Cfrac%7B%5Cfrac%7Bh%2Bc%7D%7Bch%7D%7D%7B%5Cfrac%7Br%5E2-c%5E2%7D%7Bc%5E2r%5E2%7D%7D)
Apply the fraction rule
![=\frac{\left(h+c\right)c^2r^2}{ch\left(r^2-c^2\right)}](https://tex.z-dn.net/?f=%3D%5Cfrac%7B%5Cleft%28h%2Bc%5Cright%29c%5E2r%5E2%7D%7Bch%5Cleft%28r%5E2-c%5E2%5Cright%29%7D)
Cancel
![=\frac{\left(h+c\right)cr^2}{h\left(r^2-c^2\right)}](https://tex.z-dn.net/?f=%3D%5Cfrac%7B%5Cleft%28h%2Bc%5Cright%29cr%5E2%7D%7Bh%5Cleft%28r%5E2-c%5E2%5Cright%29%7D)
Therefore, ![\frac{\left(\frac{1}{c}+\frac{1}{h}\right)}{\left(\frac{1}{\left(c^2\right)}-\frac{1}{\left(r^2\right)}\right)}:\quad \frac{\left(h+c\right)cr^2}{h\left(r^2-c^2\right)}](https://tex.z-dn.net/?f=%5Cfrac%7B%5Cleft%28%5Cfrac%7B1%7D%7Bc%7D%2B%5Cfrac%7B1%7D%7Bh%7D%5Cright%29%7D%7B%5Cleft%28%5Cfrac%7B1%7D%7B%5Cleft%28c%5E2%5Cright%29%7D-%5Cfrac%7B1%7D%7B%5Cleft%28r%5E2%5Cright%29%7D%5Cright%29%7D%3A%5Cquad%20%5Cfrac%7B%5Cleft%28h%2Bc%5Cright%29cr%5E2%7D%7Bh%5Cleft%28r%5E2-c%5E2%5Cright%29%7D)