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2 years ago

13

You invest an initial $100 in an account that has an annual interest rate of 3%, compounded quarterly. How much money will you h

ave in the account after 20 years? Round your answer to the nearest whole number.

2 answers:

Aleks04 [339]2 years ago

8 0

180.81 is the answer

Alla [95]2 years ago

3 0

3 dollars qrtly making it 12 a year times 20 years will be 340

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Write and equation that represents the distance traveled by a person who can bike at a rate of 8 miles per hour. Can someone hel

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The equation you want is ...

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What is the greatest number if acute angles that a right triangle can contain?

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3 years ago

The length of a rectangle is 5 ft less than three times the width, and the area of the rectangle is 50 ft². Find the dimensions

Mariulka [41]

Answer

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Width = 5 ft

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Area of the rectangle given = 50 ft²

Let the width of the rectangle be x

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The dimensions of the rectangle.

Step-by-step solution:

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The quadratic equation can now be solve using factorization method:

$\begin{gathered} 3x^2-5x-50=0 \\ 3x^2-15x+10x-50=0 \\ 3x(x-5)+10(x-5)=0 \\ (3x+10)(x-5)=0 \\ 3x+10=0\text{ }or\text{ }x-5=0 \\ 3x=-10\text{ }or\text{ }x=5 \\ x=-\frac{10}{3}\text{ }or\text{ }x=5 \end{gathered}$

Since the dimension can not be negative, hence the value of x will be = 5.

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$\begin{gathered} Length=3x-5=3(5)-5=15-5=10\text{ }ft \\ \\ Width=x=5\text{ }ft \end{gathered}$

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