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raquelwilliams5795
16.04.2021 •
Mathematics
Which are the solutions of x2 = -7x - 8? O 7\2 - 17\4, -7\2 + 17\4 O -7\2 -17\4, -7\2 + 17\4 O 7 - 17\2, -7 + 17\2 O -7 - 17, -7 + 17\2
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Ответ:
a squared + b squared = c squared
a and b represent the sides of the triangle (aka the length of a side of the square), and c represents the hypotenuse (aka the diagonal).
9 squared + 9 squared = c squared
81 + 81 = c squared
162 = c squared
take the square root of both sides
81= x