The price of a mathematics book is Rs 120. What is the cost of 10 such books?

Place the following steps in order to complete the square and solve the quadratic equation,

Explain why the factor 1.5 is broke. into two numbers in the model.

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)