Mathematics, 28.06.2019 09:50 dudedude29271
Grace starts with 100 milligrams of a radioactive substance. the amount of thesubstance decreases by each week for a number of weeks, w. she writes theexpression 1000y" to find the amount of radioactive substance remaining atter wweeksryan starts with 1 milligram of a radioactive substance. the amount of the substancedecreases by 40% each week for a number of weeks, w. he writes the expression (1 -oa) to find the amount of radioactive substance remaining after w weeks, use the drop down menus to explain what each part of grace's and ryan'sexpressions mean, nony
Answers: 2
Mathematics, 21.06.2019 17:00
Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?
Answers: 1
Mathematics, 21.06.2019 19:40
Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.
Answers: 1
Grace starts with 100 milligrams of a radioactive substance. the amount of thesubstance decreases by...
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