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Ilya [14]
3 years ago
11

Is the sequence 5,9,15,..an arthmetric sequence explain

Mathematics
2 answers:
AnnyKZ [126]3 years ago
6 0
Is not because  9 - 5 = 4; 15 - 9 = 6; 4 is not equal with 6!
anzhelika [568]3 years ago
5 0
If a, b, c is an arithmetic sequence then a + c = 2b

a = 5, b = 9, c = 15

subtitute

a + c = 5 + 15 = 20
2b = 2 · 9 = 18

20 ≠ 18

Answer: The sequence 5, 9, 15 is not an arithmetic sequence.
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5 0
4 years ago
Your goal is to save at least $360.00 over the next 6 weeks. How much money must you save a each week in order to meet that goal
NeX [460]
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3 0
3 years ago
Solve the equation 9b2 + 30b + 25 = 0.
jeka57 [31]
Factor the equation into...
(3b+5)(3b+5)=0
Each factor 3b+5=0 so 3b=-5 so b=-5/3

Check:
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It checks,

So answer is A.-5/3
5 0
3 years ago
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neonofarm [45]

Answer:

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7 0
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Read 2 more answers
-50 1/2 +[-12.3] simplify expression
ololo11 [35]

Answer:

-62.8

Step-by-step explanation:

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