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AlladinOne [14]
4 years ago
13

What polynomial must be added to x^2-2x+6 so that yhe sum is 3x^2+7x?

Mathematics
1 answer:
Ann [662]4 years ago
3 0
Do this:
3x² + 7x + 0 -(x² - 2x + 6)
2x² + 9x - 6

2x² + 9x - 6 + x² - 2x + 6 = 3x² + 7x
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A manufacturer knows that 9% of the products it produces are defective. Find the probability that among 6 randomly selected prod
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Step-by-step explanation:

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A car uses 30 gallons of gasoline for a trip of 800 miles. How many gallons would
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3 years ago
The height of a parallelogram is 5 feet more than it's base. If the area of the parallelogram is 204 square feet, what is its ba
siniylev [52]
The base is x.
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x(x+5)=204 \\
x^2+5x=204 \\
x^2+5x-204=0 \\
x^2+17x-12x-204=0 \\
x(x+17)-12(x+17)=0 \\
(x-12)(x+17)=0 \\
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The length of the base of a parallelogram must be a positive number, so x=12.

\hbox{the base:} \\ x=12 \\ \\
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3 years ago
Use long division to determine the quotient of the polynomials. (x3 – 7x – 6) ÷ (x – 4) Which of the following options best desc
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The correct option is c.

Step-by-step explanation:

The quotient of the polynomials is

\frac{(x^3-7x-6)}{x-4}

We need to find the remainder by using long division method.

The dividend of the given expression is

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The long division method is shown below.

\frac{(x^3-7x-6)}{x-4}=(x^2+4x+9)+\frac{30}{x-4}

From the below attachment it is clear that the quotient has a remainder of 30. Therefore, the divisor is not factor of the dividend.

Therefore the correct option is c.

4 0
3 years ago
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