3 years ago

Hi um yeah can someone help lol

Mathematics

2 answers:

Blababa [14]3 years ago

6 0

the answer is x=7

ok bye hehe

Lynna [10]3 years ago

5 0

Answer:

x=7

Step-by-step explanation:

the other angle equals 100degrees, so you can subtract 2 which gives you 98, then divide by 14 which equals 7.

Hope this helps, feel free to give brainliest.

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PLZZZZZZZ NEED HELP!!!!!!

Maurinko [17]

I think it is $30 since it has the highest probability.

7 0

4 years ago

Given $a \equiv 1 \pmod{7}$, $b \equiv 2 \pmod{7}$, and $c \equiv 6 \pmod{7}$, what is the remainder when $a^{81} b^{91} c^{27}$

Blizzard [7]

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

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

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

$2^{91}\equiv(2^3)^{30}\times2^1\equiv8^{30}\times2\pmod7$
$8\equiv1\pmod7$
$2\equiv2\pmod7$
$\implies2^{91}\equiv1^{30}\times2\equiv2\pmod7$

$c^{27}\equiv6^{27}\pmod7$

$6^{27}\equiv(-1)^{27}\equiv-1\equiv6\pmod7$

$\implies a^{81}b^{91}c^{27}\equiv1\times2\times6\equiv12\equiv5\pmod7$