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marta [7]
3 years ago
14

2х + 6 = 7x - 14 What’s the answer?

Mathematics
2 answers:
Olenka [21]3 years ago
8 0

Answer:

\boxed{x=4}

Step-by-step explanation:

=> 2x+6 = 7x-14

Subtracting 2x to both sides

=> 6 =7x-2x-14

=> 6 = 5x-14

Adding 14 to both sides

=> 6+14 = 5x

=> 20 = 5x

=> 5x = 20

Dividing both sides by 5

=> x = 20/5

=> x = 4

Radda [10]3 years ago
5 0

Answer:

x = 4

Step-by-step explanation:

2x + 6 = 7x - 14

2x - 7x = - 14 - 6

-5x = -20

x = 4

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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.

7 0
3 years ago
If 150 is divided by x, then the remainder is 3. What is the remainder when 296 is divided by x?
aliina [53]
The answer I think is 2. 150/7 is 21 R 3. 296/7 is 42 R 2.
8 0
3 years ago
Read 2 more answers
What number squared is 27?
Lunna [17]
The answer is 5.19615242271 but if you round it to the nearest dp its 5.2
4 0
4 years ago
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Someone would help me find the angle measure y
dsp73

Answer:

y = 65°

Step-by-step explanation:

z = 70° (corresponding angels are equal)

y + z = 135° (exterior angle theorem of a triangle)

y + 70 = 135 (substitution)

Subtract 70 from each side

y + 70 - 70 = 135 - 70

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4 0
3 years ago
What is the greatest common factor of 36,10,15?
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