Mathematics, 30.07.2020 05:01 coollid876
George walks 1 mile to school. He leaves home at the same time each day, walks at a steady speed of 3 miles per hour, and arrives just as school begins. Today he was distracted by the pleasant weather and walked the first 1/2 mile at a speed of only 2 miles per hour. At how many miles per hour must George run the last 1/2 mile in order to arrive just as school begins today?
Answers: 1
Mathematics, 21.06.2019 18:30
Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?
Answers: 1
Mathematics, 21.06.2019 21:30
Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.
Answers: 2
George walks 1 mile to school. He leaves home at the same time each day, walks at a steady speed of...
History, 21.04.2021 20:30
English, 21.04.2021 20:30
Mathematics, 21.04.2021 20:30
Biology, 21.04.2021 20:30
History, 21.04.2021 20:30
Mathematics, 21.04.2021 20:30
Physics, 21.04.2021 20:30
Mathematics, 21.04.2021 20:30
Mathematics, 21.04.2021 20:30
Mathematics, 21.04.2021 20:30
Mathematics, 21.04.2021 20:30
Mathematics, 21.04.2021 20:30
Mathematics, 21.04.2021 20:30