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Tju [1.3M]
3 years ago
14

Find the common difference of the arithmetic sequence –8, -2, 4, ...

Mathematics
1 answer:
ELEN [110]3 years ago
8 0

Answer:

<h3>               d = 6</h3>

Step-by-step explanation:

a_1=-8\\a_2=-2\\a_3=4\\\\d=a_2-a_1=a_3-a_2=...=a_n-a_{n-1}\qquad\qquad \{n\ge2\}\\\\\left{\big{a_2-a_1=-2-(-8)=-2+8=6}\atop\big{a_3-a_2=4-(-2)=4+2=6\quad\ \,}\right\}\implies\ \ d=6

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The above rollercoaster graph needs a function to go with it. Select the
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The values that correctly models the scenario of the rollercoaster graph will be:

  • Red (x) = 6 + 4 × cos(πx/6) if 0 ≤ x < 6
  • Green (x) = -2.5 × cos(π(x - 6)/4) + 4.5
  • Purple (x) = 3.5 - 3.5 × sin(π(x - 12.5)/5)

<h3>How does the graph model the situation</h3>

From the complete question,

For Red (x) = 6 + 4 × cos(πx/6) if 0 ≤ x < 6

where at x = 0, Red(x) = 10,

at x = 5, Red(x) = 2.5

For Green (x) = -2.5 × cos(π(x - 6)/4) + 4.5       if    6 ≤ x < 10

where at x = 10, Green (x) = 7,

at x = 6, Green (x) = 2.0

For Purple (x) = 3.5 - 3.5 × sin(π(x - 12.5)/5) if 10 ≤ x ≤ 15

where at x = 10, Purple (x) = 7,

at x = 15, Purple (x) = 0

Learn more about graphs on:

brainly.com/question/25020119

8 0
2 years ago
PLEASE HELP, WILL GRANT BRAINIEST IF CORRECT, NEED NOW !!
kakasveta [241]
I think it is correct answer

6 0
3 years ago
What does it mean for a sample to have a standard deviation of zero?
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THE ANSWER IS SUPPOSED STAY THE SAME.
5 0
3 years ago
PLEASE HELP!!!!!!!!!! GIVING BRAINLIEST, THANKS AND FIVE STARS!!!!!!
aev [14]
Vas happenin!!

1. 12
The factors of 24 are: 1, 2, 3, 4, 6, 8, 12, 24

The factors of 36 are: 1, 2, 3, 4, 6, 9, 12, 18, 36

Then the greatest common factor is 12.

2. 3

The factors of 39 are: 1, 3, 13, 39

The factors of 54 are: 1, 2, 3, 6, 9, 18, 27, 54

Then the greatest common factor is 3.


3. 14

The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42

The factors of 98 are: 1, 2, 7, 14, 49, 98

Then the greatest common factor is 14.


4. 24

The factors of 48 are: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

The factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

Then the greatest common factor is 24.


5. 13

The factors of 65 are: 1, 5, 13, 65

The factors of 91 are: 1, 7, 13, 91

Then the greatest common factor is 13.


6. 1

The factors of 7 are: 1, 7

The factors of 20 are: 1, 2, 4, 5, 10, 20

Then the greatest common factor is 1.


Hope this helps you *smiles*

5 0
3 years ago
Read 2 more answers
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