Choose the correct simplification of the expression (−2x + 8y)(9x − 3y).
−18x2 + 78xy −...
Mathematics, 25.01.2020 11:31 0gNanaa
Choose the correct simplification of the expression (−2x + 8y)(9x − 3y).
−18x2 + 78xy − 24y2
18x2 + 78xy − 24y2
−18x2 − 78xy + 24y2
−18x2 + 72xy − 24y2
Answers: 2
Mathematics, 21.06.2019 15:00, wwwcarolynzouowficz
The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.
Answers: 1
Mathematics, 21.06.2019 19:30, ray2220
The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 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, 30.06.2019 20:30
Mathematics, 30.06.2019 20:30
English, 30.06.2019 20:30
Mathematics, 30.06.2019 20:30
Mathematics, 30.06.2019 20:30
Mathematics, 30.06.2019 20:30
Mathematics, 30.06.2019 20:30