Question

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Answer 1

._. .....

Answer 2

the answer is = phi ( which means nothing ) ^_^

Answer 3

lol

Answer 4

Find the nth term and the 50th term in each of these linear sequences.
a) 4, 7, 10, 13, 16, …
b) 7, 9, 11, 13, 15, …
c) 3, 8, 13, 18, 23, …

Answer 5

a) n + 3 = 50
n = 47

I guess :)

Answer 6

b) n + 2 = 50
n = 48
c) n + 5 = 50
n = 45

Correct me if I'm wrong, not sure of the answers ^^"

Answer 7

that's an arithmetic sequence, the term's difference in (a) is 3 and the first term is 4
. since the formula for arithmetic seqence is Un=a+(n-1)b the 50th term will be U50= 4+49.3=151

Answer 8

right >_< ! sorry ^^" and thank you :)

Answer 9

BecomeMyFan=D:
R
U \[\Phi\] nnish d
?

Answer 10

then the nth term is Un=4+(n-1).3 = 4+3n-3= 3n+1

Answer 11

check out about the arithmetic sequence here http://en.wikipedia.org/wiki/Arithmetic_progression

Answer 12

it's better to find the formula for nth term first, then find the 50th term by plugging 50 into n
b) 7, 9, 11, 13, 15, …
1st term= 7
difference = 2
nth term will be-> Un= 2+(n-1)2 = 2n
50th term = 2(50) = 100

c) 3, 8, 13, 18, 23, …
1st term = 3
difference = 5
nth term = 3+(n-1)5 = 5n-2
50th term = 5(50)-2=248