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maksim [4K]
3 years ago
8

Which of the following is an arithmetic sequence?

Mathematics
1 answer:
dimulka [17.4K]3 years ago
4 0

Answer:

1/2,-1/2,1/2,-1/2

Step-by-step explanation:

hope helpa

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Graph each equation using a table. 5x + 4y = 20
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Brainliest Please!!

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What is sarah is twice as old as her youngest brother. if the difference between their ages is 15 years. how old is her youngest
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Find the angle θ between u = <7, –2> and v = <–1, 2>.
Dmitry_Shevchenko [17]

The angle between two vectors is:

CosФ = u - v / Magnitude(u) x magnitude(v)

Magnitude of u = SQRT(7^2 + -2^2) = SQRT(49 +4) = SQRT(53)

Magnitude of v = SQRT(-1^2 +2^2) = SQRT(1 +4) = SQRT(5)

u x v = (7 x -1) + (-2 x 2) = -7 + -4 = -11

cosФ = -11 / sqrt(53) x sqrt(5)

cosФ = -11sqrt265) / 265

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7 0
3 years ago
Read 2 more answers
3.
-Dominant- [34]

Answer:

G. 78.5 / π

{ i hope this helps :) i'm sorry if its wrong }

8 0
3 years ago
-25 - 30 + 2 = pls help
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Do addition first, so 30 plus 2, and then subtract, 32 minus 25. It is seven.

5 0
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