Mathematics, 05.02.2020 12:42 mazielynn84
Aradioactive substance has a half-life of 5 million years. what is the age of a rock in which 25% of the original radioactive atoms remain?
choose one answer.
a. 2.5 million years
b. 5 million years
c. 15 million years
d. 10 million years
Answers: 3
Mathematics, 21.06.2019 20:30
Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.
Answers: 3
Mathematics, 21.06.2019 22:30
Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?
Answers: 1
Mathematics, 22.06.2019 02:00
Identify the percent of change as an increase or a decrease. 75 people to 25 people response - correct increase decrease question 2 find the percent of change. round to the nearest tenth of a percent.
Answers: 3
Mathematics, 22.06.2019 02:10
Which option identifies how kevin should proceed in the following scenario? four years ago kevin designed an mp3 player for young children. now that technology has changed, he would like to update his design to ensure that it encompasses cutting-edge techniques. by creating a third-angle projection of his ideas by designing an isometric projection of his new ideas by referring to past designs and illustrations of his original model by conferring with engineers who have improved upon similar devices
Answers: 3
Aradioactive substance has a half-life of 5 million years. what is the age of a rock in which 25% of...
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