Mathematics, 23.05.2020 04:03 haileysolis5
Element X is a radioactive isotope such that every 90 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 30 grams, how much of the element would remain after 12 years, to the nearest whole number?
Answers: 2
Mathematics, 21.06.2019 15:30
Sunday: 1 1 2 monday: 1 tuesday: 2 1 2 wednesday: 1 3 4 thursday: 2 friday: 1 1 2 saturday: 2 jenna is a swimmer and trains every day. the schedule shown outlines the number of hours she trains each day. what is the total number of hours that jenna trains during the week?
Answers: 3
Mathematics, 21.06.2019 23:00
Solve the system of equations using the linear combination method. {4xโ3y=127xโ3y=3 enter your answers in the boxes.
Answers: 1
Mathematics, 22.06.2019 01:00
What is the value of the discriminant, b2 ? 4ac, for the quadratic equation 0 = x2 ? 4x + 5, and what does it mean about the number of real solutions the equation has?
Answers: 3
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