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Technetium-99m has a half-life of 6.01 hours. If a patient injected with technetium-99m is safe to leave the hospital once 75% of the dose has decayed, when is the patient allowed to leave?
answered
Dec 27, 2020
Chemistry
college
6
votes
120k
views
What is the equation of a line that goes through the coordinates (-6,-5) and has an undefined slope?
answered
Jun 9, 2020
Mathematics
middle-school
5
votes
77.4k
views
Solve for x. 12 / 3 ( x - 7) = -2
answered
May 23, 2020
Mathematics
middle-school
6
votes
216k
views
The Great Plains was the best region for agriculture before the civil war True or false
answered
Mar 13, 2020
History
middle-school
2
votes
166k
views
I really need help on this so could any one help me out
answered
Sep 3, 2019
Mathematics
middle-school
7
votes
90.6k
views
Can someone help me?
answered
May 25, 2019
Mathematics
high-school
3
votes
157k
views
A cone shaped vase has a radius of 15 cm and a height of 30 cm. What is the exact value of the volume of the cone? 2250π cm3 1350π cm3 450π cm3 6750π cm3
answered
Jan 11, 2019
Mathematics
middle-school
2
votes
14.7k
views
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