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Step2247 [10]
3 years ago
14

Triangle town wants to build a school that is equidistant from its three cities L, M, and N. Which construction correctly finds

the best location of the school?
Option choices are...
A. Construction Y because point E is the incenter of ΔLMN
B. Construction Y because point E is the circumcenter of ΔLMN
C. Construction X because point C is the incenter of ΔLMN
D. Construction X because point C is the circumcenter of ΔLMN

Mathematics
1 answer:
n200080 [17]3 years ago
3 0

Answer:

C

Step-by-step explanation:

Because I just took the test

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Which operation properly transforms matrix I to matrix II?
Y_Kistochka [10]

Answer:

D

Step-by-step explanation:

Replace R1 with 1 and R3 with 0 you have -2(1)+0 which equals 0 and that matches matrix II. Repeat the process with the other numbers in R1 and R3 and they all come out equal therefor the answer is D.

8 0
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The scale on a map is 1 in/50miles. Use this scale to determine the distance between two towns that are 3.25 inches apart. *
Alex787 [66]

Answer:

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Step-by-step explanation:

8 0
2 years ago
2.Solve the following quadratic equations<br> i. 9x^2 - 1/16<br> ii. 2h^2 - 3h - 27
Juli2301 [7.4K]
i)~9x^2-\dfrac{1}{16}=0\iff9x^2=\dfrac{1}{16}\iff x^2=\dfrac{1}{9\cdot16}\iff \\\\x^2=\dfrac{1}{144}\iff x=\pm\sqrt{\dfrac{1}{144}}=\pm\dfrac{1}{12}\Longrightarrow\boxed{x=\pm\dfrac{1}{12}}


ii)~2h^2-3h-27=0\\\\\Delta=b^2-4ac\to \Delta=(-3)^2-4\cdot2\cdot(-27)\to\Delta=9+216=225\\\\&#10;\Longrightarrow h=\dfrac{-b\pm\sqrt{\Delta}}{2a}=\dfrac{-(-3)\pm\sqrt{225}}{2\cdot2}=\dfrac{3\pm15}{4}\\\\\begin{cases}h_1=\dfrac{3+15}{4}=\dfrac{18}{4}\iff \boxed{h_1=\dfrac{9}{2}}\\h_2=\dfrac{3-15}{4}=\dfrac{-12}{4}\iff\boxed{h_2=-3}\end{cases}

4 0
3 years ago
The solution given by the quadratic formula are _____ integer
marshall27 [118]
The solution is sometimes integers
3 0
3 years ago
If x = 2.5, 5x = ____. (Input decimals only, such as 12.7.)
Gekata [30.6K]

Answer:

12.5

Step-by-step explanation:

x = 2.5

5( 2.5 )

12.5

hopefully this helps you out

5 0
3 years ago
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