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Lapatulllka [165]
3 years ago
15

How do you find the solutions of xsquared-2x=3?

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
4 0

Answer:

-1 and 3

Step-by-step explanation:

We need to solve "xsquared-2x=3"

The following version of xsquared-2x=3 has more appropriate format:

x² - 2x = 3

We need to put this into standard form for quadratic equations.  To accomplish this, subtract 3 from both sides, obtaining:

x² - 2x - 3 = 0

This factors as follows:  (x - 3)(x + 1) = 0.

The solutions are found by setting each factor = 0 separately and solving for x:  3 and -1.

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In this question , we have to simplify the given ratio, which is

12xy:3x

First we have to see which factor is common in numerator and denominator,

We can write 12 as 3 times 4, that is

3*4x*y :3x

So the common factor is 3x.

In the next step, we cancel out 3x

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And that's the required simplified form .

7 0
3 years ago
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Identify the angles that each have a measure of 124º.
Natali5045456 [20]

Answer:

Angle 1, angle 3 and angle 7 will be the equal angles.

Step-by-step explanation:

In the figure attached,

Two lines are parallel and a transversal line is intersecting these parallel lines.

Congruent angles to the angle measuring 124° will be,

m(∠7) = 124° [Vertical angles]

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m(∠3) = 124° [Alternate interior angles]

Therefore, ∠1, ∠7 and ∠3 will measure the same as 124°.

6 0
3 years ago
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timofeeve [1]

Answer:

y=8x

Step-by-step explanation:

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Rewrite 4+2/3x=3/4 so it does not have fractions.
Dahasolnce [82]

Answer:

48 + 8x = 9

Step-by-step explanation:

4 + \frac{2}{3} x = \frac{3}{4}

multiply through by 12 ( the LCM of 3 and 4 ) to clear the fractions

48 + 8x = 9

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3 years ago
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