Answer:
A=950
B=540
Step-by-step explanation:
![\frac{8}{800} =\frac{9.5}{x} \\8x=7600\\x=950\\\\\frac{8}{800} =\frac{5.4}{x} \\8x=4320\\x=540](https://tex.z-dn.net/?f=%5Cfrac%7B8%7D%7B800%7D%20%3D%5Cfrac%7B9.5%7D%7Bx%7D%20%5C%5C8x%3D7600%5C%5Cx%3D950%5C%5C%5C%5C%5Cfrac%7B8%7D%7B800%7D%20%3D%5Cfrac%7B5.4%7D%7Bx%7D%20%5C%5C8x%3D4320%5C%5Cx%3D540)
Answer:
x- coordinate of P is - 6
Step-by-step explanation:
The coordinates of any point in the form of an ordered pair (x, y )
Point P has coordinates P (- 6, 2 )
![\bf \qquad \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{compounded amount}\to &\$1448.44\\ P=\textit{original amount deposited}\to &\$1000\\ r=rate\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{semi-annually, thus twice} \end{array}\to &2\\ t=years\to &4 \end{cases}](https://tex.z-dn.net/?f=%5Cbf%20%5Cqquad%20%5Ctextit%7BCompound%20Interest%20Earned%20Amount%7D%0A%5C%5C%5C%5C%0AA%3DP%5Cleft%281%2B%5Cfrac%7Br%7D%7Bn%7D%5Cright%29%5E%7Bnt%7D%0A%5Cquad%20%0A%5Cbegin%7Bcases%7D%0AA%3D%5Ctextit%7Bcompounded%20amount%7D%5Cto%20%26%5C%241448.44%5C%5C%0AP%3D%5Ctextit%7Boriginal%20amount%20deposited%7D%5Cto%20%26%5C%241000%5C%5C%0Ar%3Drate%5C%5C%0An%3D%0A%5Cbegin%7Barray%7D%7Bllll%7D%0A%5Ctextit%7Btimes%20it%20compounds%20per%20year%7D%5C%5C%0A%5Ctextit%7Bsemi-annually%2C%20thus%20twice%7D%0A%5Cend%7Barray%7D%5Cto%20%262%5C%5C%0A%0At%3Dyears%5Cto%20%264%0A%5Cend%7Bcases%7D)
solve for "r", now, the value you'd get, is a decimal format of it, thus, just multiply it by 100 to get the percent in % form