Mathematics, 04.07.2019 18:00 maggie2018
Find the equation of the circle where (-9,,,-,-2) are the vertices of an inscribed square.
Answers: 1
![\bf \textit{distance between 2 points}\\ \quad \\ \begin{array}{lllll} &x_1&y_1&x_2&y_2\\ % (a,b) &({{ -2}}\quad ,&{{ 5}})\quad % (c,d) &({{ -8}}\quad ,&{{ -3}}) \end{array}\qquad % distance value d = \sqrt{({{ x_2}}-{{ x_1}})^2 + ({{ y_2}}-{{ y_1}})^2} \\\\\\ \stackrel{diameter}{d}=\sqrt{[-8-(-2)]^2+[-3-5]^2} \\\\\\ d=\sqrt{(-8+2)^2+(-3-5)^2}\implies d=\sqrt{(-6)^2+(-8)^2} \\\\\\ d=\sqrt{36+64}\implies d=\sqrt{100}\implies d=10](/tpl/images/0051/0771/aeb1e.png)
![\bf \textit{equation of a circle}\\\\ (x-{{ h}})^2+(y-{{ k}})^2={{ r}}^2 \qquad \begin{array}{lllll} center\ (&{{ h}},&{{ k}})\qquad radius=&{{ r}}\\ &-5&1&5 \end{array} \\\\\\\ [x-(-5)]^2-[y-1]^2=5^2\implies (x+5)^2-(y-1)^2=25](/tpl/images/0051/0771/1071b.png)
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 12:30, ultimateapes
Giving ad is congruent to bc and angle bcd is congruent to angle adc prove d e is going to ce
Answers: 3
Mathematics, 22.06.2019 02:30, SunsetPrincess
Carli has 90 apps on her phone. braylen has half the amount of apps as theiss. if carli has three timesthe amount of apps as theiss, how many apps does braylen have? let b represent the number of braylen's apps and t represent the number of theiss's apps.
Answers: 3
Mathematics, 22.06.2019 03:30, coolgirl5679
The half-life of a certain material is 0.002 second. approximately how much of a 14-gram sample will be left after 0.004 second? a. 12 grams b. 3.5 grams c. 0.06 gram d. 7 grams
Answers: 3
You know the right answer?
Find the equation of the circle where (-9,,,-,-2) are the vertices of an inscribed square....
Questions in other subjects:
Mathematics, 23.07.2020 18:01
SAT, 23.07.2020 18:01
