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Novay_Z [31]
3 years ago
5

I could really use some help!! (it also needs to be correct!!)​

Mathematics
1 answer:
OverLord2011 [107]3 years ago
7 0

Answer:

X=13

Step-by-step explanation:

First I squared 12 and 5 and got 144 and 25 then I added them which was a total of 169 then I took the square root of 169 and got x=13.

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15)<br> 125°<br> ?<br> Help me plzzz
pentagon [3]

Step-by-step explanation:

125=125 is corresponding angles are equal

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Plss help I have been asking for help since no one has helped me plss this has been due for a long time plss help me :(
Arturiano [62]

Step-by-step explanation:

hi I am Cynthia am in form one at lugulu girls high school here in Kenya. 1 in that question write x to be one of your consecutive numbers because you don't know the actual number okay?then go to x+1,x+2,x+3.since they were 4 consecutive numbers you already written them down so you need to equate like this x+x+1+x+2+x+3=52 so from there you can continue so any questions just let me know okay?

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3 years ago
Find the area of an equilateral triangle with 12-inch altitudes
Nina [5.8K]

\textit{height of an equilateral triangle}\\\\ h=\cfrac{s\sqrt{3}}{2}~~ \begin{cases} s=\stackrel{side's}{length}\\[-0.5em] \hrulefill\\ h=12 \end{cases}\implies 12=\cfrac{s\sqrt{3}}{2}\implies 24=s\sqrt{3}\implies \cfrac{24}{\sqrt{3}}=s \\\\[-0.35em] ~\dotfill

\textit{area of an equilateral triangle}\\\\ A=\cfrac{s^2\sqrt{3}}{4}\qquad \qquad A=\cfrac{~~ \left( \frac{24}{\sqrt{3}} \right)^2 \sqrt{3}~~}{2}\implies A=\cfrac{~~ \frac{24^2}{3} \sqrt{3}~~}{2} \\\\\\ A=\cfrac{192\sqrt{3}}{2}\implies A=96\sqrt{3}\implies A\approx 166.28

4 0
2 years ago
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dedylja [7]

Answer:

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hope this helps

have a good day :)

Step-by-step explanation:

7 0
2 years ago
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