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GaryK [48]
3 years ago
15

Which is the correct way to model the equation x + 8 = 7 x + (-8) using algebra tiles?

Mathematics
2 answers:
Gre4nikov [31]3 years ago
8 0

Answer:

1 negative x-tile and 8 positive unit tiles on the left side; 7 positive tiles and 8 negative unit tiles on the right side.

Step-by-step explanation:

r-ruslan [8.4K]3 years ago
6 0
This is my answer.. ty

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B

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Answer:

=0.1587 or 15.87%

So option A is correct answer so 15.87% of the invoices were paid within 15 days of receipt.

Step-by-step explanation:

In order to find the percent of the invoices paid within 5 days of receipt we have to find the value of Z first.

Z=\frac{X-u}{S}

where:

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S is the standard deviation which is 5 days

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We have to find Probability at Z less than -1

P(Z<-1.0) which can be written as:

=1-P(Z>1.0)

From Cumulative distribution table:

=1-(0.3413+0.5)

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So option A is correct answer so 15.87% of the invoices were paid within 15 days of receipt.

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3 years ago
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Step-by-step explanation:

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