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2 years ago

What are the coordinates of the roots of the equation x^2+4x+3=0.

SAT

1 answer:

aleksklad [387]2 years ago

5 0

Answer:Solving the quadratic equation, the coordinates of the roots are: (-1,0) and (-3,0)

The quadratic equation given is:

Which has coefficients .

Now, we find the solutions:

The coordinates of the roots are and , as a root is a value of x when y = 0, thus, in the problem, (-1,0) and (-3,0).

A similar problem is given at brainly.com/question/13729358

Explanation:

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3 years ago

A person buying a personal computer system is offered a choice of three models of the basic unit, two models of keyboard, and tw

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The number of distinct computer systems that this person can purchase is equal to twelve (12).

<u>Given the following data:</u>

Number of basic units = 3 models.

Number of keyboard = 2 models.

Number of printers = 2 models.

<h3>How to calculate the number of distinct systems.</h3>

In order to determine the number of distinct computer systems that this person can purchase, we would use a mathematical model referred to as combination.

Mathematically, combination is given by this mathematical equation:

$_nC_r = \frac{n!}{r!(n-r)!}$

<u>Where:</u>

n is the number of items.

r is the number of times of choosing items.

Substituting the given parameters into the formula, we have;

³C₁ × ²C₁ × ²C₁ = 3 × 2 × 2

Distinct systems = 12.

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2 years ago

Which countries in south america were first claimed by france

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Answer

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3 years ago

Calegari corporation makes cleaning products in two sequential departments, mixing and packaging. Materials are added at the beg

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The equivalent units during this month for Calegari corporation are 35,900.

<h3>How to calculate the equivalent units?</h3>

When it comes to equivalent units, one should consider:

Initial inventory.
Units processed.
Units that were completed vs units started.
Work process completed by the end.

Using these elements, let's find out the equivalent units:

Initial inventory x units that were not completed
3,000 x 0.3 (only 70% was processed) = 900

Units completed vs units started:

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Work process completed:

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Now add all the results:

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3 years ago

Which of the following is true about dual enrollment courses?

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Answer
The answer is D
Explanation

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3 years ago

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