2 years ago

15. Find the perimeter: 2x + 1 х 3x

1 answer:

5 0

Pre-Algebra Examples .The perimeter of a rectangle is equal to the sum of all sides of the rectangle. Substitute the values of the length l=2 l = 2 and width .

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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)
$
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Rewriting the expression we have:
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Answer:
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$(mn) (x) = 5x ^ 3 + 9x ^ 2 + 15x + 27$

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