Mathematics, 14.07.2019 15:30, breanastone15
Acircle is centered at the point (-7, -1) and passes through the point (8, 7). the radius of the circle is units. the point (-15, lies on this circle.
Answers: 1
![\bf ~~~~~~~~~~~~\textit{distance between 2 points}\\\\(\stackrel{x_1}{-7}~,~\stackrel{y_1}{-1})\qquad (\stackrel{x_2}{8}~,~\stackrel{y_2}{7})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2}\\\\\\\stackrel{radius}{r}=\sqrt{[8-(-7)]^2+[7-(-1)]^2}\implies r=\sqrt{(8+7)^2+(7+1)^2}\\\\\\r=\sqrt{15^2+8^2}\implies r=\sqrt{289}\implies r=17](/tpl/images/0089/1395/b65b6.png)
![\bf ~~~~~~~~~~~~\textit{distance between 2 points}\\\\\stackrel{center}{(\stackrel{x_1}{-7}~,~\stackrel{y_1}{-1})}\qquad (\stackrel{x_2}{-15}~,~\stackrel{y_2}{y})\\\\\\\stackrel{r}{17}=\sqrt{[-15-(-7)]^2+[y-(-1)]^2}\\\\\\17=\sqrt{(-15+7)^2+(y+1)^2}\implies 17^2=(-15+7)^2+(y+1)^2\\\\\\289=(-8)^2+(y+1)^2\implies 289=64+(y+1)^2\\\\\\225=(y+1)^2\implies \sqrt{225}=y+1\implies 15=y+1\implies 14=y](/tpl/images/0089/1395/47edc.png)
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 16:20, TheVariableWhoLived
Ivan began dividing g2 – 6 by g + 1, noting that . he started by placing g in the quotient, as shown below. what is g2 – 6 divided by g + 1? g – 1 – g + 1 – g – 7 + g – 5 +
Answers: 3
Mathematics, 21.06.2019 17:30, anonymous1813
Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?
Answers: 3
Mathematics, 21.06.2019 21:30, bakoeboo
The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse. a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?
Answers: 3
Do you know the correct answer?
Acircle is centered at the point (-7, -1) and passes through the point (8, 7). the radius of the cir...
Questions in other subjects:
Mathematics, 18.03.2021 03:00
Mathematics, 18.03.2021 03:00
Mathematics, 18.03.2021 03:00
Mathematics, 18.03.2021 03:00
