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Mathematics, 14.10.2021 06:40 ilovebeanieboos

Hello, I need help on part I and PartII


Hello, I need help on part I and PartII

Answers

ansver
Answer from: Quest
The answer would be a
ansver
Answer from: Quest

nope lol

step-by-step explanation:

ansver
Answer from: Quest

maya’s expression will generate the wrong sum because she violated the commutative property.

step-by-step explanation:

ansver
Answer from: Quest

step-by-step explanation:

the ratio of red paint to blue paint is always 9/7. that means that, whatever x's value, (4x+12)/(4x-4) has that same ratio. so, set up an equation and cross-multiply to solve for x:

 

9/7 = (4x+12)/(4x-4)

9(4x-4) = 7(4x+12)

36x - 36 = 28x + 84

8x - 36 = 84

8x = 120

x = 15

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