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tester [92]
3 years ago
10

(-9x - 4) - (4x2 + 2x - 7)

Mathematics
2 answers:
yaroslaw [1]3 years ago
6 0

Answer:

I assume you meant 4x^2

So the answer in simplified form is -4x^2-11x+3

Novosadov [1.4K]3 years ago
5 0
I think it is - 4x ^ 2 + 7x + 3
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A marketing consultant observed 40 consecutive shoppers to estimate the average money spent by shoppers in a supermarket store.
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Answer:

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Step-by-step explanation:

We are given the following information in the question:

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Formula:

z_{score} = \displaystyle\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}

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3 years ago
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