rakanmadi87

28.06.2019 • 

Mathematics

John sells ice cream bars at the beach. in addition to a fixed salary, he earns a commission for each ice cream bar he sells. the table shows john's total earnings, y, from selling x bars of ice cream: ice cream sales and earnings number of bars sold (x) total earnings (dollars) (y) 0 40 1 44 2 48 3 52 which equation best shows the relationship between x and y? y = x + 44 y = 4x + 44 y = x + 40 y = 4x + 40

Ответ:

goldenhawk239

09.04.2020

Mathematics

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(m - 3m)^2

(m - 3n)(m - 3n)

Use the FOIL method.

First m^2

Outer -3mn

Inner -3mn

Last 9n^2

Equation form:

m^2 - 3mn - 3mn + 9n^2

Simplify terms to get...

m^2 - 6mn + 9n^2

The answer is answer D, m^2 - 6mn + 9n^2.

⭐ Answered by Hyperrspace (Ace) ⭐

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