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Fudgin [204]
3 years ago
10

Kelly has a ribbon that is 60 inches long. She

Mathematics
1 answer:
Anon25 [30]3 years ago
8 0

Answer:20

Step-by-step explanation: Cause 60-20=40

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If m(x) = x2 + 3 and n(x) = 5x + 9, which expression is equivalent to (mn)(x)?
Ilia_Sergeevich [38]
For this case we have the following functions:
 m (x) = x ^ 2 + 3

n (x) = 5x + 9
 Multiplying both functions, we obtain an expression equivalent to (mn) (x).
 We have then:
 (mn) (x) = m (x) n (x)

 Substituting values we have:
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 Rewriting the expression we have:
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(mn) (x) = 5x ^ 3 + 9x ^ 2 + 15x + 27
 Answer:
 
An expression that is equivalent to (mn) (x) is:
 (mn) (x) = 5x ^ 3 + 9x ^ 2 + 15x + 27
7 0
4 years ago
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