Simply simplify multiplication expressions with a positive exponent
Answer:
5k
Step-by-step explanation:
Answer:
around 4.5
Step-by-step explanation:
28 divided by 3 is 9.333333333
42 divided by 9.33333333333
equals 4.5
By the definition of the hyperbolic function tanh x, we have proven that 
<h3>Hyperbolic functions & Proof of identities </h3>
By definition

Then,















Hence, we have proven that 
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