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Fittoniya [83]
3 years ago
7

Factor: 2a^2-ab-6b^2

Mathematics
1 answer:
pogonyaev3 years ago
5 0

Rewrite the expression as

2a^2-4ab+3ab-6b^2

Factor 2a from the first two terms and 3b from the last two:

2a(a-2b)+3b(a-2b)

Factor a-2b

(a-2b)(2a+3b)

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How do I work 3 1/3 + 1 1/3
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Step-by-step explanation:

3 \frac{1}{3}  + 1 \frac{1}{3}  \\  \\  = \frac{3 \times 3 + 1}{3}  +  \frac{1 \times 3 + 1}{3} \\  \\  =  \frac{9 + 1}{3}  +  \frac{3 + 1}{3}  \\  \\  =  \frac{10}{3}  +  \frac{4}{3}  \\  \\  =  \frac{10 + 4}{3}  \\  \\  =  \frac{14}{3}  \\  \\  = 4 \frac{2}{3}  \\

8 0
3 years ago
Jaclyn used the slope formula to find the slope of the line through the points given in the table. In which step did Jaclyn make
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Answer: C. Jaclyn did not make an error. I just worked on this on e2020

5 0
3 years ago
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When the mean value of the dependent variable is independent of variation in the independent variable, the slope of the regressi
miss Akunina [59]

Answer:

zero

Step-by-step explanation:

The optimally fitted straight line via the locations and points on a graph is determined via linear regression. You may use regression equations to see if your data can indeed be fitted into a formula. If you want to create assumptions from your data, either future forecasts or indicators of previous behavior, using the Regression equation is highly beneficial.

The regression line is expressed as:

Y_i = a +bx_i

where;

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So, when Y_i is independent of the variation of x_i, it means that Y_i does not linearly depend on x_i . Thus, the slope of the regression will be zero.

3 0
3 years ago
Margo’s dog, named Todd, weighed 120 pounds last year. She now weighs 180 pounds. What is the percent of change
elixir [45]

Answer:

50%

Step-by-step explanation:

the increase is 60 so divide that by the original number; 60/120=0.5

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3 0
3 years ago
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The value of Mario's car after 5 years is $8,249.

<h3>What is the value of the car after 5 years?</h3>

Deprecation is when the value of an asset declines with the passage of time as a result of wear and tear.

V = 15,999 − 1,550t

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V = 15,999 - 7,750

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To learn more about depreciation, please check: brainly.com/question/25552427

#SPJ1

5 0
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