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ArbitrLikvidat [17]
3 years ago
11

Prove the identity. cosh(−x) = cosh(x)

Mathematics
1 answer:
mars1129 [50]3 years ago
6 0

Answer C

Step-by-step explanation: lol idk

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3x - 12y = 6<br> x - 4y = 2<br> solve by elimination
OverLord2011 [107]

Answer:

the problem has an infinite number of solutions

Explanation:

3x - 12y = 6

x - 4y = 2

make the coefficient of x same by multiplying the entire following by 3

⇒ ( x - 4y = 2 ) * 3

⇒ 3x - 12y = 6 __ equation 2

3x - 12y = 6 __ equation 1

solving using elimination method:

3x - 12y = 6

3x - 12y = 6

===========

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