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3 years ago

Answer pls…………………………..

Mathematics

1 answer:

Gnesinka [82]3 years ago

6 0

Answer:

10/27

Step-by-step explanation:

3^x = 10

We want to find 3^(x-3)

Rewriting

We know that a^(b-c) = a^b * a^ (-c)

3^x * (3^-3)

We know that 3^-3 = 1/3^3

3^x * 1/27

10 * 1/27

10/27

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Which method is the most efficient method to use to solve x^2+4x+3=0

Romashka-Z-Leto [24]

Answer:

Factoring

Step-by-step explanation:

To solve the equation $x ^ 2 + 4x + 3 = 0$ , you must apply the factoring method.

You must find two real numbers b and c such that:

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and

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Then the expression:

$x ^ 2 + 4x + 3 = 0 = (x + b)(x + c)$

You can prove that:

$b = 3\\c = 1$

$x ^ 2 + 4x + 3 = 0 = (x + 3)(x + 1)$

$(x + 3)(x + 1) = 0$

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Step-by-step explanation:

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4 years ago

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SVEN [57.7K]

Answer:

The correct option is A: 24%, 24%, 24%, 24%, 24%

Step-by-step explanation:

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3 years ago

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3 years ago

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ch4aika [34]

Answer:

The correct answer is option C.

Step-by-step explanation:

In order to determine the equation of the function, whose graph is given to us in the question, we can use the various coordinates points and the points of discontinuities. Also, we can see the type of graph, for example, a parabolic, straight line etc.

Now, in the graph given in the question, we can see that from x<1, the graph is parabolic given by $y=x^2+2$ and also we can see that x=1 is the discontinuous point, so we will not take x=1 in the domain of the function.

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