gryffindorheadw gryffindorheadw
  • 02-02-2018
  • Mathematics
contestada

Adam says that the expression 52-3y is equal to 20 when y=2. Explain why Adam's answer is incorrect

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izc026 izc026
  • 02-02-2018
When you substitute y with 2, you get 52-3(2). -3(2)=-6.  52-6=46.  46 is not equal to 20.
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jajumonac jajumonac
  • 25-01-2020

Answer:

The given expression is

[tex]52-3y[/tex]

If [tex]y=2[/tex], then the expression would be equal to

[tex]52-3(2)=52-6=46[/tex]

As you can observe, the expression is equal to 46 not to 20.

Adam's answer is incorrect, because 46 isn't equal to 20, neither the expression, maybe he made a mistake when he did the operations.

Answer Link

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