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KiRa [710]
4 years ago
6

Which ones? can someone help me(?)

Mathematics
1 answer:
drek231 [11]4 years ago
3 0

Answer:


Step-by-step explanation:

First, what's a polynomial?  It's an algebraic expression whose only independent variable is x, and in which all the x powers are either zero or positive and are integers:  x^3, x^2, x^1, x^0 (for example).

Looking at possible answer choice A, we immediately reject this because that power of x is in the denominator, representing 2x^(-3).  This negative power of x is not allowed.  Reject A.

In B, we have the powers x^2, x^1 and x^0.  Great.  This is a polynomial.

In C, we have x^2 + 1 in the denominator of the final fraction.  Reject this because of the final term.

In D, we have x^2 + 2x + √

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Step 1:

5000

10% of 5000=500

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so if...

10%=500

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this means the price with the 10% discount off 25%= 4250 INR (5000-750)

now we need to find the percentage change. For this we need to subtract the price with the 15% discount with the price BEFORE THE 25% was added

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e.g 500/3750= 2/15=0.13

So...

Convert 0.13 into a percentage=13%

The PERCENTAGE PROFIT of the owner is 13%

P.S Please could someone double check this answer as I am only 15 years old and may have gotten some working out wrong! Thank you

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38 minus 14, divided by 8
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