3 years ago

How would I factor #4?

Mathematics

1 answer:

katrin2010 [14]3 years ago

5 0

(x+2)(x-1)

Hope this helps

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melamori03 [73]

Okay so you can add up all the marbles to find a rate and divide.
Total: 20 marbles
Blue: 25% chance
Red: 40% chance
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2 years ago

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Which equation in slope-intercept form represents a line that passes through the point (6,−1) and is perpendicular to the line y

damaskus [11]

For this case we have that by definition, the equation of a line of the slope-intersection form is given by:

$y = mx + b$

Where:

m: It is the slope of the line

b: It is the cut point with the y axis

By definition, if two lines are perpendicular then the product of their slopes is -1.

If we have: $y = 2x-7$

$m_ {1} = 2\\2 * m 2 = - 1\\m_ {2} = - \frac {1} {2}$

Thus, the equation is of the form:

$y = - \frac {1} {2} x + b$

We substitute the point:

$-1 = - \frac {1} {2} (6) + b\\-1 = - \frac {1} {2} (6) + b\\-1 = -3 + b\\-1 + 3 = b\\b = 2$

Finally, the equation is:

$y = - \frac {1} {2} x + 2$

Answer:

$y = - \frac {1} {2} x + 2$

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2 years ago

A laptop computer originally priced at $1,000 now sells for $1,300. What is the percent of increase?

Vitek1552 [10]

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Show on a number line 2/3 's?

Alexxandr [17]

It would be In between 1/2 and 2

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2 years ago

Drag each tile to the correct location. Not all tiles will be used.

Novosadov [1.4K]

Answer:

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Step-by-step explanation:

surface : 4×pi×R^2

R1 = 5x

R2 =8x

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