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hvvrq $ulwkphwlf 6htxhqfhv dqg 6hulhv - NCPN
hvvrq $ulwkphwlf 6htxhqfhv dqg 6hulhv - NCPN
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Math Applications<br />
Solutions and Notes<br />
12. a. 22 – 13 = 9; 40 – 31 = 9<br />
The common difference<br />
is 9.<br />
b. 4 + 9n<br />
c. 4 + 9(7) = 67<br />
13. a. 120 48<br />
300<br />
= 0.4;<br />
120 = 0.4;<br />
19.<br />
2<br />
48<br />
= 0.4; 768 .<br />
= 0.4;<br />
19.<br />
2<br />
3.<br />
072<br />
= 0.4<br />
768 .<br />
The common ratio is 0.4.<br />
3.072(0.4) = 1.2288 kb/s<br />
b. 1.2288(0.4) = 0.49152<br />
kb/s, therefore 400 users<br />
would be on the network.<br />
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428 Chapter 9 Sequences and Series
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