Mathematics, 05.03.2021 20:00 angienunez2983
The half-life of radium is 1690 years. If 30 grams are present now, how much will be present in 580 years?
Answers: 2
Mathematics, 21.06.2019 13:20
What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.
Answers: 1
Mathematics, 21.06.2019 14:30
Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12
Answers: 2
Mathematics, 21.06.2019 21:30
Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?
Answers: 1
Mathematics, 21.06.2019 23:30
Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y
Answers: 1
The half-life of radium is 1690 years. If 30 grams are present now, how much will be present in 580...
Mathematics, 13.09.2019 05:30