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Lady_Fox [76]
3 years ago
10

This one is extremely confusing I’ve worked it out 6 times and still no answer can somebody plz help

Mathematics
2 answers:
vivado [14]3 years ago
6 0
It should be A
Angle b=angle g
6x+8=4x+12
2x=4
Yakvenalex [24]3 years ago
4 0

Answer:

The answer is A) 2

Step-by-step explanation:

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Consider a nine -year moving average used to smooth a time series that was first recorded in 1961. a. Which year serves as the f
kirill [66]

Answer:

  a.  1965

  b.  8 years

Step-by-step explanation:

For answers to questions like these it can work to consider the smallest possible dataset.

<h3>Dataset</h3>

For our purpose, consider the 9 years/values to be averaged to be ...

  1, 2, 3, 4, 5, 6, 7, 8 ,9

<h3>Observations</h3>

a. The center value of the data set is 5. Its number is 5-1=4 more than the first one.

The first centered value is from the year 1961 +4 = 1965.

b. The 4 values at the beginning, and the 4 values at the end do not have a corresponding "average" value. That is, 4+4 = 8 values in the series are lost with respect to the number of average values.

8 years of values are lost.

5 0
2 years ago
How many years are there in one bimillennium
olchik [2.2K]
A bi-millennium means two (bi) times thousand of years (millenium), this means that a bi millennium has 2000 years in it: two thousand years. 

The origin of this word is latin: because of this it also has the plural of "bimillennia"   <span />
5 0
3 years ago
A=8, b=5, C=90 degree; Find c, A, and B<br><br> This is for the law of sine and cosine
brilliants [131]

Answer:

• c = √89 ≈ 9.434

• A = arcsin(8/√89) ≈ 57.995°

• B = arcsin(5/√89) ≈ 32.005°

Step-by-step explanation:

By the law of cosines, ...

c² = a² + b² -2ab·cos(C)

Since c=90°, cos(C) = 0 and this reduces to the Pythagorean theorem for this right triangle.

c = √(8² +5²) = √89 ≈ 9.434

Then by the law of sines (or the definition of the sine of an angle), ...

sin(A) = a/c·sin(C) = a/c = 8/√89

A = arcsin(8/√89) ≈ 57.995°

sin(B) = b/c·sin(C) = b/c = 5/√89

B = arcsin(5/√89) ≈ 32.005°

6 0
3 years ago
For each of the figures shown below, the existing coordinates are listed. Follow the instructions for each shape and perform the
TEA [102]

Answer:

I do not see a image

Step-by-step explanation:

5 0
3 years ago
In 12 hours, how many more kilometers could the yellow car go than the red car? show your work
trasher [3.6K]

Answer:

144

Step-by-step explanation:

12 times 12

3 0
3 years ago
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