'Thirty' in the Bible

And the period of dwelling of the {Israelites} that they dwelled in Egypt [was] four hundred and thirty years.

And at the end of four hundred and thirty years, on this exact day, all of Yahweh's divisions went out from the land of Egypt.

If the ox gores a male slave or a female slave, he will give thirty shekels of silver to his master, and the ox will be stoned.

The length of the one curtain [will be] thirty cubits, and the width [will be] four cubits [for] the one curtain; one measure [will be] for [the] eleven curtains.

The length of the one curtain [was] thirty cubits, and the width [was] four cubits [for] the one curtain; one measure [was] for [the] eleven curtains.

And all the gold used for the work, in the work of the sanctuary, it was the gold of the wave offering--twenty-nine talents and seven hundred and thirty shekels, according to the sanctuary shekel.