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Ainat [17]
2 years ago
11

I need help. ill mark brain to the first to answer.

Mathematics
2 answers:
romanna [79]2 years ago
8 0

Answer:

1st and 2nd options

Step-by-step explanation:

Daily total = (400+350)*3 = 2250

Dinner = 2250 * 2/3 = 1500

equation: <u>2/3*(x+400+350)</u> = 2/3 * daily total = Dinner <u>= x</u>

Margaret [11]2 years ago
5 0

Answer:

a and f

Step-by-step explanation:

1500 is double 750, which is the combined calories of lunch and breakfast, which is only 1 third.

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Answer:

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Step-by-step explanation:

To factor x^2 -x -2, you look for factors of -2 that have a sum of -1:

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Then these are the constants in the binomial factors:

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_____

<em>Comment on the question</em>

The fact that x^2 +3x -4 is modeled with algebra tiles seems to be irrelevant to the question that is actually asked.

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3 years ago
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