, 12.11.2019 03:31, heavyhearttim

# The point (5,-2) is rotated 90degrees about the orgin it’s image is what ?

### Other questions on the subject: Mathematics

Mathematics, 21.06.2019 14:30, brockandersin
Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?
It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots $$\beta \: and \: 2 \beta$$express h in terms of k