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Fed [463]
2 years ago
13

Please help and explain I'll give u 12pts

Mathematics
1 answer:
White raven [17]2 years ago
7 0

-7x² + 70x - 175

= -7(x² - 10x + 25)

= -7(x - 5)²

= -7(x + -5)²

Answer: -5

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\begin{cases}a\equiv1\pmod7\\b\equiv2\pmod7\\c\equiv6\pmod7\end{cases}

a^{81}\equiv1^{81}\equiv1\pmod7

b^{91}\equiv2^{91}\pmod7

2^{91}\equiv(2^3)^{30}\times2^1\equiv8^{30}\times2\pmod7
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3 years ago
What is 1/8 divided by 3
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8

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