Mathematics, 19.12.2020 14:00 iBrain
The half-life of Einsteinium 253 is 20.5 days. If you start with 5g of Es-253, how many grams will you have after 31 days?
Answers: 3
Mathematics, 21.06.2019 16:40
Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)
Answers: 2
Mathematics, 21.06.2019 17:30
Which are factor pairs of 350? choose all answers that are correct. a) 30 and 12 b) 35 and 10 c) 70 and 5 d) 2 and 125
Answers: 2
Mathematics, 21.06.2019 20:30
If m∠abc = 70°, what is m∠abd? justify your reasoning. using the addition property of equality, 40 + 70 = 110, so m∠abd = 110°. using the subtraction property of equality, 70 − 30 = 40, so m∠abd = 30°. using the angle addition postulate, 40 + m∠abd = 70. so, m∠abd = 30° using the subtraction property of equality. using the angle addition postulate, 40 + 70 = m∠abd. so, m∠abd = 110° using the addition property of equality.
Answers: 2
The half-life of Einsteinium 253 is 20.5 days. If you start with 5g
of Es-253, how many grams will...
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