HELP PLEASE A restaurant sells 10 garden salads. If garden salads represent 20% of their total salad sales, how many salads did they sell?

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lerinmarie

11.10.2020

Mathematics

The polynomial is

$4x^2y^2 - 2y^4 - 8xy^3 + 9x3y + 6y^4 - 2 x \times y^3 - 3x^4 + x^2y^2$

If we write a polynomial ,we write term having highest degree, then move to terms having lower degree.

Arranging the term from lowest to highest and adding and subtracting like terms,we get

$4x^2y^2 - 2y^4 - 8xy^3 + 9x^3y + 6y^4 - 2 x \times y^3 - 3x^4 + x^2y^2\\\\-3x^4+4y^4-10xy^3+9x^3y+5x^2y^2\\\\4y^4 -10y^3x+9x^3y+5x^2y^2-3x^4$

As given = Last term = -3 x^4

First term = 4 y^4

Option A 4y^4 is true.

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