3 years ago

Find the point of intersection of the two lones y=3x+2 and y=2x-1

Mathematics

1 answer:

DochEvi [55]3 years ago

8 0

They intersect at the point (-3,-7)

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Artyom0805 [142]

Using the numbers you have :

6 to -2

-2 to 2

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Trena's jump rope is 3.5 feet

sweet [91]

Answer:

0.3 feet

Step-by-step explanation:

3.8 - 3.5 = 0.3 feet

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Ksivusya [100]

I believe the answer is 6

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2 years ago

What type of line is represented by the equation x=6

Vaselesa [24]

It represented a vertical line that no matter what y is, x is always 6

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3 years ago

An analyst must decide between two different forecasting techniques for weekly sales of roller blades: a linear trend equation a

Amiraneli [1.4K]

Answer:

Following are the responses to the given question:

Step-by-step explanation:

Mean Absolute Deviation MAD

$MAD = \sum_{i=1}^{n} \frac{\left | actual_{i}-forecast_{i} \right |}{n}$

Mean squared error

$MSE=\Sigma^{n}_{i=1} \frac{(Actual_i - Forecast_i)^2}{(n - 1)}$

linear trend equation is $Ft = 124 + 2t$

$MAD = \frac{23}{10} = 2.3\\\\MSE = \frac{91}{9}= 10.11\\\\$

Naive method

$MAD = \frac{36}{9} = 4\\\\MSE = \frac{202}{8}=25.25\\\\MAD (Naive) = 4\\\\MAD (Linear) =2.3\\\\MSE (Naive)=25.25\\\\MSE (Linear)=10.11\\\\$

Please find the attached file.

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3 years ago