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Alenkasestr [34]
3 years ago
15

Winter is coming, so Sasha decides to buy new outdoor gear. She has a coupon good for 25% off. She buys a coat with an original

price of $85.75, a pair of boots with an original price of $71.99, a scarf with an original price of $24.25, and a pair of gloves with an original price of $44.95. She pays a total of $208.94. To which item did Sasha apply her coupon? a. coat b. boots c. scarf d. gloves
Mathematics
2 answers:
Alex787 [66]3 years ago
6 0

Yes, the answer is B. Boots

Edgenuit.y 2021

Gemiola [76]3 years ago
3 0

Answer:

B. boots

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

FD²=12²+(4x+11)²

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also

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we will solve this quadratic equation by suing the quadratic formula to find x

x=(-504±sqrt(504²-4(-153)(-135)))/2(-153)

x=(-504±\sqrt{504^{2}-4(-153)(-135) })/2(-153)

x=(-504±\sqrt{254016-82620 })/-306

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x=(-504±414)/-306

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x=-90/-306 and x=-918/-306

x= 5/17 , 3

substituting x by the roots we found

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13x-16 = 13×(5/17)-16 = (65/17)-16 = (65-272)/17 = -207/17 ≈ -12.17..

check for 3:

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13x-16 = 13×3-16 = 23

thus 3 is the right root

therfore

ED=23 and CD=23

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