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Arte-miy333 [17]

2 years ago

13

Five years ago, Ruth made a deposit of $500 into a savings account that pays simple interest. She made no further deposits, and

now her account is worth $750. What was the rate of interest per year?

1 answer:

OlgaM077 [116]2 years ago

5 0

The answer would be $50 per year.

$750-$500=$250

$250/5 years= $50 per year.

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Answer:

Circumference of circle= 37.68 units

Circumference of sector= 6.28 units

Step-by-step explanation:

The given figure is a circle with given radius OB= 6 units.

The circumference of a circle is the total length of its boundary.

For the complete circle its circumference can be calculated by;

Circumference= $2\pi r$

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For the circumference of the Sector with 60° in the figure, the circumference can be calculate by:

$=\frac{60}{360}* 2*\pi*6\\\\=\frac{1}{6}*12*3.14\\\\ =2*3.14\\\\=6.28$ units

So, the circumference of the full circle is 37.68 units and the circumference of the sector is 6.28 units.

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3 years ago

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