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2 years ago

A PS4 costs $399. There is a 20% discount. What is the total cost?

Mathematics

2 answers:

Kruka [31]2 years ago

8 0

Answer:

$319.2

Step-by-step explanation:

If you multiply 399 and 0.2 (because it's 0.2 out of 1) then you get 79.8. So you subtract 79.8 from 299 and get 319.2 dollars. I hope this helps! Please mark brainliest! <3

Arlecino [84]2 years ago

7 0

Answer:

$319.20

Step-by-step explanation:

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Gọi AH là đường cao kẻ từ A đến BC

Xét tam giác AHC vuông tại H

Suy ra AH = HC. cotA= 9.cot35° = 12,9

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Suy ra BH = AH.tanA = 12,9.tan61°=23,37

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