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anastassius [24]
3 years ago
6

The grocery store pays a 15% tax on alcohol sales last year. The total tax paid last year was $3750. What was the total sales fo

r alcohol last year?
Mathematics
1 answer:
ss7ja [257]3 years ago
3 0
3750/15%= 3750 / 0.15 = 25000
A: $25000
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Gnom [1K]
<h3>Answer:   (n-1)^2</h3>

This is because we have a list of perfect squares 0,1,4,9,...

We use n-1 in place of n because we're shifting things one spot to the left, since we start at 0 instead of 1.

In other words, if the answer was n^2, then the first term would be 1^2 = 1, the second term would be 2^2 = 4, and so on. But again, we started with 0^2 = 0, so that's why we need the n-1 shift.

You can confirm this is the case by plugging n = 1 into (n-1)^2 and you should find the result is 0^2 = 0. Similarly, if you tried n = 2, you should get 1^2 = 1, and so on. It appears you already wrote the answer when you wrote "Mark Scheme".

All of this only applies to sequence A.

side note: n is some positive whole number.

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Alex73 [517]

Answer:

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Step-by-step explanation:

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2 years ago
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Paladinen [302]

Answer:

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Step-by-step explanation:

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2 years ago
15. The floor plan of the basement of a shopping centre is drawn to a scale of 1:400.
maks197457 [2]

Answer:

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Step-by-step explanation:

<u>The scale factor is:</u>

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Applied to the area we consider k² as the area is the product of two dimensions.

<u>Find the actual area:</u>

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2 years ago
Nick and eddie are both thinking of a number. Eddies number is 3/7 of nicks number. There is a difference of 52 between their tw
joja [24]

Answer:

nick's number = 91

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Step-by-step explanation:

n = nick's number

\frac{3}{7}n = eddie's number

\frac{7}{7}n - \frac{3}{7}n = 52

\frac{4}{7}n = 52

cross-multiply:  4n = 52(7)

                         4n = 364

                          n = 364/4 = 91

eddie's number:  \frac{3}{7} · 91 =  273/7 = 39

3 0
3 years ago
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