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sasho [114]
3 years ago
15

Joe borrowed $2,000 from the bank at a rate of 7% simple interest per year. How much interest did he pay in 4 years?

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
8 0

Answer:

560

Step-by-step explanation:

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The length of b is \sqrt{2x^2(1-cos\beta)}.

Step by step explanation:

Given information: In ΔABC, ∠A =∠C, ∠B = ß (where ß is an acute angle), and BC = x.

Since two angles are same therefore triangle ABC is an isosceles triangle and side AB and BC are congruent.

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According to Law of cosine

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\sqrt{2x^2(1-cos\beta)}

Therefore the length of b is \sqrt{2x^2(1-cos\beta)}.

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