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hichkok12 [17]
3 years ago
13

In the diagram, polygon ABCD is reflected across to make polygon A'B'C'D'. Which statement must be true?

Mathematics
1 answer:
UNO [17]3 years ago
6 0
True polygon is the abcd polygon
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What is -5/8 + -8/9=
mariarad [96]

Answer:

-1.513888889 = -1.51

Step-by-step explanation:

-5/8 = -0.625

-8/9 = -0.8888888888

-0.625 + -0.8888888888 = -1.513888889

If you round this to the nearest tenth you get

<u>-1.51</u>

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3 years ago
Please help if the value of (x+1)^2-3 is 22 what is the value of (x+1)^2-5
Finger [1]
We could solve for x, but notice that the same expression is being squared in both (x+1)

if (x+1)^2 - 3 = 22 then
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that would mean that (x+1)^2 - 5 = 25 - 5 = 20


7 0
3 years ago
What’s is the answer to this equation -3 - 5n = 1 - 6n
Tomtit [17]

-3 - 5n = 1 - 6n

   +6n       +6n

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Hope this helps! ;)

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Elenna [48]

Answer:

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Step-by-step explanation:

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Sinx(cscx-sinx)=cos^2x
Yuri [45]

\bf sin(x)[csc(x)-sin(x)]~~=~~cos^2(x) \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ sin(x)\left[\cfrac{1}{sin(x)}-\cfrac{sin(x)}{1} \right]\implies \underline{sin(x)}\left[\cfrac{1-sin^2(x)}{\underline{sin(x)}} \right] \\\\\\ 1-sin^2(x)\implies cos^2(x)


recall again, sin²(θ) + cos²(θ) = 1.

3 0
2 years ago
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