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2 years ago

12

Lydia bought a shirt at 20% off its retail price of $40. She paid 5% tax on the price after the discount. How much did Lydia pay

for the shirt? HELP PLS!!!

1 answer:

anyanavicka [17]2 years ago

5 0

Answer:

$33.60

Step-by-step explanation:

20% discount on an original price of $40 = $8

so the price is now $32

5% of $32 = $1.60

32 + 1.60 = $33.60

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(a) The product of $(2x-4)\ and\ (3x^2-x+4)$ is calculated to be $=6x^3-14x^2+12x-16$

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<u>Step-by-step explanation:</u>

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$(2x-4)(3x^2-x+4)\\\\=(2x.3x^2)+(2x.-x)+(2x.4)+(-4.3x^2)+(-4.-x)+(-4.4)\\\\=6x^3-2x^2+8x-12x^2+4x-16\\\\=6x^3-14x^2+12x-16$

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$(4x-2)(3x^2-x+4)\\\\=(4x.3x^2)+(4x.-x)+(4x.4)+(-2.3x^2)+(-2.-x)+(-2.4)\\\\=12x^3-4x^2+16x-6x^2+2x-8\\\\=12x^3-10x^2+18x-8$

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10

Step-by-step explanation:

2n-6

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10

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