Transitive verb and Ichidan verb
きめる
大学をそつぎょうしたら何をするか、もう決めましたか。
Have you decided what you’ll do after graduating from university?
おなかが空きすぎてて何食べるか決められないから、よかったらユイちゃんが決めちゃって。
I'm too hungry to decide what we eat, so it's your choice where we go, Yui.
残りの人生をどう過ごすか、みんなは一体どうやって決めるんだい？選びきれないほど仕事があるじゃないか。
How do people decide what they’re going to do for the rest of their lives? There are so many jobs to choose from.
This word consists of kanji with hiragana attached. Because the hiragana ends with an う sound, you know this word is a verb. The kanji itself means decide so the verb version is to decide.
Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You didn't learn that reading with this kanji, so here's a mnemonic to help you:
You have to decide. You have two keys (き) in front of you. You have to decide on one of them and use it to unlock the door to get away from the monster. Why do monster attacks always come down to keys and doors?