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bekas [8.4K]
3 years ago
7

52.75 with a 25% discount. How much will he pay for it?

Mathematics
2 answers:
Aliun [14]3 years ago
8 0

Answer:

39.56

Step-by-step explanation:

Allisa [31]3 years ago
7 0

Answer:

He pays $39.56

Step-by-step explanation:

If finding the discount, always divide the percent by 100.

25% = 0.25

52.75*0.25=13.1875

Because its money, round to hundredths place, $13.19

Subtract the "percent" (13.19) from 52.75

52.75 - 13.19 = $39.56



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Step-by-step explanation:

The trigonometric ratio for cosine is given as follows;

Cos(\theta) = \dfrac{Adjacent\, side \, to\,  angle}{Hypothenus\, side \, length \ of\, the \  triangle}

7. The adjacent leg length to ∠X = 27

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8. The adjacent leg length to ∠X = 15

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∴ cos(X) = 15/17 ≈ 0.8824

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The adjacent leg length to ∠Y = 13·√3

∴ cos(Y) = 13·√3/26 = (√3)/2 ≈ 0.8660

cos(Y) = (√3)/2 ≈ 0.8660.

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