3 years ago

A flight of stairs is supported by two columns, as shown in the diagram.

Mathematics

1 answer:

dangina [55]3 years ago

4 0

Answer:

12 feet

Step-by-step explanation:

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bogdanovich [222]

Let's solve for y.

4x+7y=28

Add -4x to both sides.

4x+7y+−4x=28+−4x

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Divide both sides by 7.

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3 years ago

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3 years ago

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3 years ago

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trapecia [35]

Answer:

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Step-by-step explanation:

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