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raketka [301]
2 years ago
8

Simple math problem: need help

Mathematics
2 answers:
Lesechka [4]2 years ago
8 0

Answer:

A. 40

Step-by-step explanation:

Angle A and angle S must be equal to one another, so add 45 and 55, subtract from 180, and divide that answer by 2

Alexandra [31]2 years ago
3 0

Answer:

the correct answer would be A)40 degrees

Step-by-step explanation:

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Divide 22.2 by 4 since the perimeter is the outside and there are 4 edges 
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Lena [83]

Answer:

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Step-by-step explanation:

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Find x<br><br><br><br><br> Thanks for the help in advance!
Marina86 [1]

I'm not sure if this is the easiest way of doing this, but it surely work.

Let the base of the triangle be AB, and let CH be the height. Just for reference, we have

AH=2,\quad HB=6,\quad AC=x

Moreover, let CH=y and BC=z

Now, AHC, CHB and ABC are all right triangles. If we write the pythagorean theorem for each of them, we have the following system

\begin{cases}4+y^2=x^2\\36+y^2=z^2\\x^2+z^2=64\end{cases}

If we solve the first two equations for y squared, we have

y^2=x^2-4\\y^2=z^2-36

And we can deduce

z^2 = x^2+32

So that the third equation becomes

x^2+x^2+32=64 \iff 2x^2 = 32 \iff x^2=16 \iff x=4

(we can't accept the negative root because negative lengths make no sense)

7 0
3 years ago
Which is the image of -2,5 reflected across x=2?
Basile [38]

Answer:

6,5

Step-by-step explanation:

-2 is 4 down from 2, so reflected should be 4 up, or 6

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