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ehidna [41]
3 years ago
14

Answers are A)0-5 B)5-10 C)10-15 D)15-20

Mathematics
2 answers:
maks197457 [2]3 years ago
5 0

Answer:

Option C ....final answer.

stich3 [128]3 years ago
4 0

Answer:

C

Step-by-step explanation:

The median number is 7 and the seventh runner is in interval 10-15

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chubhunter [2.5K]

Answer:

±2

Step-by-step explanation:

For simplicity let's take a look at a general third order polynomial:

ax^3 + bx^2 + cx + d.  In this particular case,

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So, any rational roots of the given polynomial will stem from the possible rational roots

±1    ±2    ±5    ±10    ±1    ±2    ±5    ±10

--- , ----- , -----, ------- , ---- , ----- , --- , ------ , and so on,

±1    ±1     ±1      ±1      ±2    ±2   ±2     ±2

until you have used up all of the possible factors of 10 and all of the possible factors of 4.  

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