Anumber tripled is equal to 57. let n be the number. which equation can be used to find the value of n and what is its solution? a. n + 3 = 57; n = 54 b. n – 3 = 57; n = 60 c. = 57; n = 171 d. 3n = 57; n = 19

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest

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)

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11