Consider the formula for the average velocity, v, of a moving particle. in the formula, d1 and d2 represent the distance traveled by the particle at times t1 and t2 respectively.

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.

Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4