For what positive value of $t$ is $|{-4+ti}| = 2\sqrt{13}$?
Question:
For what positive value of $t$ is $|{-4+ti}| = 2\sqrt{13}$?
Answer:
Let's think step by step.

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For what positive value of $t$ is $|{-4+ti}| = 2\sqrt{13}$?
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