What is the sum? 3 over x + 4 over x^2

1 answer:

3 0

We want denominator to be common, so GCD is x².

3 / x + 4 / x² = 3x / x² + 4 / x²

Now we got common denominator. so we can combine them.

3x / x² + 4 / x² = (3x + 4) / x²

So the answer is C, (3x + 4) / x<span>²</span>

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BartSMP [9]

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Min-Jee is planting two rectangular flower beds. One bed is 2.78 feet by 4.81 feet, and the other bed is 2.78 feet by 5.61 feet.

shusha [124]

Answer: $(2.78+4.81)(2.78+5.61)$

Step-by-step explanation:

<h3> The complete exercise is attached.</h3><h3></h3>

The area of a rectangle can be calculated with this formula:

$A=lw$

Where "l" is the lenght and "w" is the width.

Then, you can notice that it can be obtained by multiplying the dimensions of the rectangle.

Knowing this, you can determine that the total area of the two flowers bed can be obtained by adding the products of their dimensions.

Since one of the rectangular flower bed is 2.78 feet by 4.81 feet and the other bed 2.78 feet by 5.61 feet, you can write the following expression to find the total area (in square feet)of the two beds:

$2.78*4.81 +2.78*5.61$