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kap26 [50]
3 years ago
13

Factor the expression over the complex numbers. x3+20x−4x2−80

Mathematics
1 answer:
sveta [45]3 years ago
3 0

Answer: (x^2+20)(x-4)

Step-by-step explanation:

See attached picture

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Answer:

use photo math

Step-by-step explanation:

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3 years ago
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What is the slope-intercept equation of the line below?
tino4ka555 [31]

Answer:

The slope-intercept form:

y = -3x +4

Step-by-step explanation:

-To get the slope-intercept equation, you first need to find the slope by using this equation m = \frac{rise}{run} (starting counting from the first point, to the second point) in order to get the slope. After you have the slope, you need to find the y-intercept ( y-intercept is where the line crosses the y axis of the graph, basically). So, to find that, you need look for the point that only crosses the y axis to get the y-intercept. After you have both the slope and y-intercept, you put it in slope-intercept form:

The two points I found from the following graph are:

( 1, 1) and (2, -2)

Trick: Since the line of the graph shows that it is down (not up), Start counting down from point ( 1, 1) to point (2, -2). Then, find the y-intercept:

m = \frac{-3}{1} = -3

b = 4

Use it to create a slope-intercept form:

y = mx +b (where m represents the slope and b represents the y-intercept)

y = -3x +4

So, therefore the slope-intercept form is y = -3x +4 .

6 0
4 years ago
Need help with math questions
shtirl [24]

Answer:

Combine like terms - 3+x=4

Given - 3 +4x -3x =4

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2 years ago
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The original price of a new book is $140.00. If the book is marked down
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Answer:

112.00

Step-by-step explanation:

140.00=100%

? =80%

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=$112.00

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3 years ago
Find the area and perimeter.​
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Answer: 1/7

Step-by-step explanation: 1/7 is the answer

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