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Anastasy [175]
2 years ago
14

Alan deposited $300 into a savinga account. At the end of the first year, the amount of money in the account has increased to $3

36. At the end of the second year, he had $420. Find the percentg increase in the amount of money in his savings account at the end of the first year
Mathematics
1 answer:
Sergeeva-Olga [200]2 years ago
8 0
The Percent increase is 12%
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SQUARE ROOT OF 100<br><br>THANKS -,-​
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▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

Square root of 100 ~

  • \sqrt{100}

  • \sqrt{10 \times 10}

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F(x)= (x+1) (x+12) or A

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JulijaS [17]

Answer: 216 square units

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Explanation:

A common pythagorean triple you may be familiar with is the 3-4-5 right triangle. This has two legs of 3 and 4, and a hypotenuse of 5. The perimeter is 3+4+5 = 7+5 = 12. Note how this is a factor of 72.

If we multiply the perimeter (12) by 6, then 12*6 = 72. So we have scaled the triangle by a factor of 6. Each length is 6 times longer

the side length 3 becomes 3*6 = 18

the side length 4 becomes 4*6 = 24

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The last step is to find the area. The two legs of this triangle are the base and height

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-----

Or you could find the area of the 3-4-5 right triangle to get

area = 0.5*base*height = 0.5*3*4 = 6

then multiply by 36 to get 6*36 = 216. The 36 is the square of the scale factor 6 we applied above. The new lengths are 6 times longer, so the new area is 6^2 = 36 times larger.

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