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pogonyaev
3 years ago
6

I REALLY NEED HELP FAST, will mark you the brainliest if you answer this first :D

Mathematics
1 answer:
VLD [36.1K]3 years ago
6 0

Step-by-step explanation:

required \: scale  \\ =  \frac{12 \frac{1}{2} }{1 \frac{9}{16} }  \\  \\  =  \frac{ \frac{25}{2} }{ \frac{25}{16} }  =  \frac{25}{2}  \times  \frac{16}{25}  =  \frac{1}{2}  \times  \frac{16}{1}   \\  \\ = 8 \:  :  \: 1

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Solnce55 [7]
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3 years ago
PLEASE HELP! THANKS! The measures, in degrees, of the 3 angles of a triangle are given by 2x +1, 3x - 3, and 9x. What is the mea
drek231 [11]
So all of the internal angles of a triangle will add up to 180 degrees.  So if we add all of the expressions given and set them equal to 180, we can solve for x, then solve for each angle...

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Now we can substitute 13 into each expression to find the value of each angle...

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