Question

Write the set in set-builder notation.
the set of all positive multiples of 20

Answer 1

@minoz

Answer 2

@mtbender74

Answer 3

{20,40,60,...}

Answer 4

{x | x is a multiple of 20 and x is positive} ?

Answer 5

{x | x is even} ?

Answer 6

\[\{x | x = 20k, k \in Z, k >0\}\]

Answer 7

so then {x | x < 0} ^-^

Answer 8

no...the answer would be just what i posted...

Answer 9

thats not the answers i have though

Answer 10

a.
{x | x is even}
c.
{x | x < 0}
b.
{x | x is a multiple of 20 and x is positive}
d.
{x | x is a multiple of 3}

Answer 11

oh...then the third one...

Answer 12

c

Answer 13

so would it be b

Answer 14

is a muiltiple of 20 or <0

Answer 15

{x | x is a multiple of 20 and x is positive}