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vampirchik [111]

3 years ago

11

The price of a dress is reduced by 50%. When the dress still does not sell, it is reduced by 50% of the reduced price. If the

price of the dress after both reductions is $100, what was the original price?

1 answer:

Igoryamba3 years ago

5 0

Answer:

the answer is 400$

Step-by-step explanation:

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1,985 + 12,000 + what ? = 14,471 .

Scrat [10]

Answer:

486

Step-by-step explanation:

1,985 + 12,000 + x = 14,471

x = 14471 - 12000 - 1985

x = 486

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Which expression is equivalent to (a^-3 b/a^-5 b3)^-3? Assume a=0, b=0.

prohojiy [21]

$Use:\\\\\dfrac{a^n}{a^m}=a^{n-m}\\\\(a^n)^m=a^{nm}\\\\a^{-n}=\dfrac{1}{a^n}\\\\(ab)^n=a^nb^n$

$\left(\dfrac{a^{-3}b}{a^{-5}b^3}\right)^{-3}=\left(a^{-3-(-5)}b^{1-3}\right)^{-3}=\left(a^{-3+5}b^{-2}\right)^{-3}=\left(a^2b^{-2}\right)^{-3}\\\\=(a^2)^{-3}(b^{-2})^{-3}=a^{2(-3)}b^{-2(-3)}=a^{-6}b^6=\dfrac{b^6}{a^6}$

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Someone please answer !!!!

Goryan [66]

The answer is C

By the way, that expression means "n choose k". Hope I helped!

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Anyone know the answer to this question?

denpristay [2]

Answer:

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Step-by-step explanation:

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