Hello everyone if you could help me that would be awesome

Mathematics

2 answers:

Mila [183]3 years ago

8 0

Part A) 27.93/7 for small bags and 66.98/20 for large bags
Part B) $3.99 for small bags and 3.35 for large bags
Part C) the large bags is the better buy because the small bags are $0.64 more than the large bags.

Viktor [21]3 years ago

4 0

I don’t think I can help you sorry

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How to work this out ?

Free_Kalibri [48]

Answer:

The solution is (-3, -2).

Step-by-step explanation:

Please note that if you simply add these 2 equations together, 9x - 9x = 0, and you are then left with -5y = 10. Thus, y = -2. Subbing -2 for y in the first equation, we get 9x - 8(-2) = -11, or 9x + 16 = -11.

Subtracting 16 from both sides, we get 9x = -27, so that x = -3.

The solution is (-3, -2).

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3 years ago

What is the solution set of the given system?

AVprozaik [17]

What is the system? (Is there supposed to be an image?)

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3 years ago

Simplify the expression .

katovenus [111]

$10xy^2(3x^3-5x)-2x^2y(6y^3+3y)=\\\\=30x^4y^2-50x^2y^2-12x^3y^4-6x^2y^2=\\\\=\boxed{30x^4y^2-12x^3y^4-56x^2y^2}$