Mathematics, 30.07.2019 21:10 annaclaire22
During a research experiment, it was found that the number of bacteria in a culture grew at a rate proportional to its size. at 1010: 00 am there were 4 comma 0004,000 bacteria present in the culture. at noon, the number of bacteria grew to 4 comma 6004,600. how many bacteria will there be at midnight?
Answers: 3
Mathematics, 21.06.2019 20:30, nosugh
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
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