Mathematics, 26.06.2019 00:50 Haleysaraya1
Eric starts with 10 milligrams of a radioactive substance. the amount of the substance decreases by 12 each week for a number of weeks, w. he writes the expression 10(12)w to find the amount of radioactive substance remaining after w weeks. andrea starts with 1 milligram of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. she writes the expression (1? 0.2)w to find the amount of radioactive substance remaining after w weeks. use the drop-down menus to explain what each part of eric's and andrea's expressions mean. clear check eric's expression: 10(12)w 12: w: 10: (12)w: andrea's expression: (1? 0.2)w w: 0.2: 1? 0.2:
Answers: 1
Mathematics, 22.06.2019 02:00
Deena is planting two rectangular gardens. one garden is 3.67 feet by 8.56 feet, and the other garden is 3.67 feet by 7.45 feet. which expression does not respresent the total area in square feet of the two gardens
Answers: 2
Eric starts with 10 milligrams of a radioactive substance. the amount of the substance decreases by...
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