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yKpoI14uk [10]
2 years ago
5

12d 14:16:08

Mathematics
1 answer:
GREYUIT [131]2 years ago
5 0

Montando uma expressão para a situação, tem-se que Pedro recebeu 3y - 45 de troco.

----------------

  • O preço total do produto comprado por Pedro é de 45 reais.
  • Pedro pagou em 3 notas de y reais, ou seja, o valor do pagamento é de 3y.
  • O troco é dado pelo excedente do pagamento em relação ao preço total, ou seja, a subtração de 3y por 45.
  • Ou seja, a expressão que representa o troco é: 3y - 45.

Um problema similar é dado em brainly.com/question/21496824

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Rectangle ABCD has a perimeter of 32 units and will
AlladinOne [14]

Answer:

Check below

Step-by-step explanation:

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2) Since it has a perimeter of 32 units and it is to be rotated about the line, the solid to be created it is a cylinder. As you can see below.

3) Let's calculate its radius, based on the information given, i.e. the perimeter:

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Dovator [93]

There is some ambiguity here which could be removed by using parentheses.  I'm going to assume that you actually meant:

               x-3

h(x) = ---------------

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To determine the domain of this function, factor the denominator:

x^3 - 36x = x(x^2 - 36) = x(x-6)(x+6)

The given function h(x) is undefined when the denominator = 0, which happens at {-6, 0, 6}.

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3 0
3 years ago
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