What period is bromine (Br) in?
3
7
4
2...
Answers: 3
Mathematics, 21.06.2019 13:00
1.) 2x + y = 3 2.) x - 2y = -1 if equation 1 is multiplied by 2 and then the equations are added, the result is a.3x = 2 b.3x = 5 c.5x = 5
Answers: 1
Mathematics, 21.06.2019 19:30
The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
Answers: 3
Mathematics, 21.06.2019 21:00
Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.
Answers: 2
Mathematics, 24.07.2019 08:00
English, 24.07.2019 08:00
English, 24.07.2019 08:00
Mathematics, 24.07.2019 08:00
Mathematics, 24.07.2019 08:00
Mathematics, 24.07.2019 08:00