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Vedmedyk [2.9K]
3 years ago
9

Elsa brought a 12 ft piece of ribbon. She wants to cut it into 3/4-foot pieces. how many pieces can she cut

Mathematics
1 answer:
Softa [21]3 years ago
4 0

Answer:

I think the answer will be 16 pieces

Step-by-step explanation:

16 x 3/4 will equal 12

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Answer:

Answer for #10:

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Answer for #1:

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Step-by-step explanation:

In order to solve a simultaneous equation using the substitution method you have to:

Use one of the equation and substitute it into the other equation, in this case equation <em>B</em><em> </em>was substituted into equation <em>A</em><em>.</em>

<em>equ. \: a = (2x - 3y = 7) \\ equ. \: b = (x = 1 - y)</em>

Therefore since x = 1 - y, equation A would be:

2(1 - y) - 3y = 7 \\ (2 - 2y) - 3y = 7 \\  - 2y - 3y = 7 - 2 \\  - 5y = 5 \\ y =  - 1 \: and \: x = 2

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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