3 years ago

Rani had Rs800 left after spending 75% of her money.How much money did she have in the beginning?

1 answer:

6 0

Answer:

Step-by-step explanation:

Money left Rs. 800

Money spent = 75%

Initial amount was Rs. 3200

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Hitman42 [59]

Answer:

x⁴+3x³ -5x +1

Step-by-step explanation:

To multiply this we are going to <u>multiply each term of the binomial by each term of the polynomial.</u>

$(x-1)(x^{3}+4x^{2} +4x-1)\\=x^4+4x^3+4x^2-x -x^3-4x^2-4x+1$

Now we are going to <u>combine like terms (this means we are going to sum up terms with the same exponent)</u>

$x^4+4x^3+4x^2-x -x^3-4x^2-4x+1 = x^4 +(4x^3-x^3)+(4x^2-4x^2)+(-x-4x)+1\\=x^4+3x^3-5x+1$

Thus, the answer is x⁴+3x³ -5x +1

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avanturin [10]

Answer:

it got copied at 6:44 pm

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3 years ago

Alex73 [517]

.57 per box

4÷7=0.57
hopefully this helped and I checked my work with a calculator so I'm sure it's right:)

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