Mathematics, 30.11.2019 06:31 skywil8981
Acertain element has a half life of 4.5 billion years. a. you find a rock containing a mixture of the element and lead. you determine that 15% of the original element remains; the other 85% decayed into lead. how old is the rock? b. analysis of another rock shows that it contains 55% of its original element; the other 45% decayed into lead. how old is the rock?
Answers: 2
Mathematics, 21.06.2019 12:40
Jamie is hiking up a small mountain. he climbs up at a constant rate of 300 feet/hour until he reaches the peak at 1,500 feet. after that, he hikes down at the same rate to the base of the mountain. the equation that models jamie’s elevation, e, after t hours is e = . jamie’s elevation will be 600 feet after hours and after hours.
Answers: 1
Mathematics, 21.06.2019 18:30
If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?
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Mathematics, 21.06.2019 18:30
Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol
Answers: 2
Mathematics, 21.06.2019 22:00
Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.
Answers: 2
Acertain element has a half life of 4.5 billion years. a. you find a rock containing a mixture of th...
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