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tresset_1 [31]
3 years ago
10

Using the Time Series Data for the US Nuclear Electric Power Production, calculate the exponential smoothing forecasts for 2005

through 2010 using alpha equals 0.2. Find the forecast error for each time period. If there is n
Mathematics
1 answer:
Marat540 [252]3 years ago
5 0

Answer:

????????????

I don't know

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The measure of one angle is twelve more than four times a number. The measure of a second angle is twice as large as the first,
Natali [406]

Answer:

60,120

Step-by-step explanation:

a = 4x + 12 \\ b = 2(4x + 12) \\( 4x + 12) + 2(4x + 12) = 180 \\ 4x + 12 = 180 \div 3 \\ 4x = 48 \\ x = 12 \\  \\ a = 60 \\ b = 120

5 0
2 years ago
Suppose you live 4.4 miles from a hill. From your home you see a plane directly above the hill. Your angle of elevation to the p
IrinaVladis [17]
█ Explanation <span>█

Let's call the missing altitude 'x'. 

</span><span>✦ To find the plane's altitude, find the tan of 30 degrees. The side opposite is going to be x, while the side adjacent is going to be 4.4 miles. 
</span>✦ Tan(30)= \frac{x}{4.4}
✦ 5.7735= \frac{x}{4.4}
✦ x=4.4*.57735
✦ x=4.4*.55735
✦ x=2.54 mi
<span>✦ We usually write altitude in feet. 
</span>
Answer: 2.54 * 5280 ~ <span>13,400 ft

</span><span>Hope that helps! ★ If you have further questions about this question or need more help, feel free to comment below or leave me a PM. -UnicornFudge aka Nadia</span>
4 0
3 years ago
can anyone please send the answers with explanation if nonsense answers I will report so please answer properly​
Bas_tet [7]

Step-by-step explanation:

soo here is the answer

170 degree is the value of =x

and the value of uly is 110 degree

6 0
2 years ago
I am dumb,plz zend help.
dybincka [34]
I think that it is 9 because 14-10=4 so 3+2+4=9 I’m not that sure tho let me know if I’m wrong
4 0
3 years ago
Read 2 more answers
What does this mean?
boyakko [2]

Answer:

Its the symbol "pi" which is 3.14

3 0
3 years ago
Read 2 more answers
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