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son4ous [18]
3 years ago
13

Is v=−13 a solution of 9v−2=3v?

Mathematics
1 answer:
diamong [38]3 years ago
6 0

Answer:

-80

Step-by-step explanation:

<h2><u>Solve the equation</u></h2>

move the 13v to the left side in order to solve it

9v - 2 -3v

place the value v into the equation

9(-13) - 2 -3(-13)

= -117 -2+39

<h3><u>= -80</u></h3>

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Step-by-step explanation:

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3 years ago
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Please help I don't undestand
Alla [95]

By applying the law of sines and some algebraic handling, the length of the side LJ is approximately equal to 3.517 units. (Right choice: D)

<h3>What is the missing side of the triangle according to the law of sines?</h3>

The law of sines presents a relationship between sides and <em>opposite</em> angles, which is described below:

9/sin 89° = LJ/sin 23°     (1)

LJ = 9 × sin 23°/sin 89°

LJ ≈ 3.517

By applying the law of sines and some algebraic handling, the length of the side LJ is approximately equal to 3.517 units. (Right choice: D)

To learn more on law of sines: brainly.com/question/21634338

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2 years ago
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Sati [7]
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Dividing by a rational number (such as 1/3, which is expressed in fraction form) is the same as multiplying by its reciprocal (the reciprocal of a fraction is itself when the numerator and denominator have been swapped). Therefore

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To check this answer, test the statement. Half is a third of x, where x=1.5:

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3 0
3 years ago
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2(n + 2 + n + 4) = 6n - 12

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(2)(2n) + (2)(6) = 6n - 12

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