Using the spinner to find the theoretical probability of an event. Write your answer as a fraction, or percentage rounded to the nearest tenth. Main question: The theroerical probability of spinning a one is- (Answer)

In a school 2/3 of the students study a language of those who study a language 2/5 study french

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)

3.4a=57.8 what is the the value of a