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2 years ago

The rational expressionwrite this ratio in the form p(x) + x/(x - 2) Where is some x - 2

Mathematics

1 answer:

loris [4]2 years ago

6 0

Answer:

$\frac{2x^2+5x-14}{x-2}=(2x+9)+\frac{4}{x-2}$

Step-by-step explanation:

Given rational expression is,

$\frac{2x^2+5x-14}{x-2}$

x - 2) 2x² + 5x - 14(2x + 9

2x² - 4x

9x - 14

9x - 18

Therefore, $\frac{2x^2+5x-14}{x-2}=(2x+9)+\frac{4}{x-2}$ is the answer.

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7.5% of 140 is what number?

posledela

Answer:

10.5

Step-by-step explanation:

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Suppose it takes 45 hours for robot A to construct a new robot. Working together with robot B, it takes 25 hours for both robots

Len [333]

Answer:

56 hours 25 minutes

Step-by-step explanation:

Given:

Suppose it takes 45 hours for robot A to construct a new robot

It takes 25 hours for both robots to construct a new robot.

Question asked:

How long would it take robot B to construct a new robot, working alone ?

Solution:

Let the time taken by robot B to construct new robot = $x$

By robot A

It takes 45 hours to construct = 1 new robot

It takes 1 hour to construct = $\frac{1}{45} \ new\ robot$

By robot B

It takes $x$ hours to construct = 1 new robot

It takes 1 hour to construct = $\frac{1}{x}$ new robot

By working together

It takes 25 hours to construct = 1 new robot

It takes 1 hour to construct = $\frac{1}{25} \ new\ robot$

$\frac{1}{25}$ new robot is constructed in = 1 hour

New robot is constructed by both working together in 1 hour = New robot is constructed by robot A in 1 hour + New robot is constructed by robot B in 1 hour

$\frac{1}{25} =\frac{1}{45} +\frac{1}{x} \\$

Subtracting both sides by $\frac{1}{45}$

$\frac{1}{25}-\frac{1}{45} =\frac{1}{45} -\frac{1}{45}+\frac{1}{x} \\\\\frac{1}{25}-\frac{1}{45} =\frac{1}{x}\\\\ Taking\ LCM \ of \ 25\ and\ 45,\ we\ got\ 225$

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3 years ago

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When completing the square, what value must you add to both sides of the equation to create a perfect square trinomial?

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Thus, add 4 to both sides to obtain x^2 - 4x + 4 = 4.

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2 years ago

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PolarNik [594]

Answer:

None of them.

Step-by-step explanation:

People with self-control are not easily described.

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