Translation of "helpful" into Icelandic

Sometimes it’s helpful to make a note of several scriptures that cover the same topic.

Stundum er gagnlegt að skrá nokkur ritningavers sem fjalla um sama efnið.

Yes, Tim was really helpful when we came up with the idea for the lamps.

Tim var mjög hjálpsamur ūegar viđ fengum lampahugmyndina.

I went way out of my way to be helpful and courteous to that kid.

Ég reyndi eins og ég gat ađ vera hjálplegur og kurteis viđ hann.