Question

sigma notation : upper limit is 6, lower limit is k=4.

Answer 1

\[\sum_{k=4}^{6} (k-4)x= 450\]

Answer 2

what the value of x?

Answer 3

is it 150?

Answer 4

X = 450 / sum
= 450/ 2 = 225

Answer 5

thts wrong

Answer 6

Oop, sorry! sum = 0 + 1 + 2 = 3
=> x = 450/ 3 = 150

Answer 7

wht abt this one: \[\sum_{x=3}^{5} (x-3)x =90\]

Answer 8

x = 90 / 3 = 30

Answer 9

are u positive?

Answer 10

yes, not hurry this time!

Answer 11

100% sure?????

Answer 12

Sum = ( 3 - 3 ) + ( 4 - 3 ) + ( 5 -3)
= 0 + 1 + 2 = 3

Answer 13

can u help me with another question?

Answer 14

Okie!

Answer 15

nevermind i got it. thanks for ur help

Answer 16

:)