Pre Calculus
A submarine traveling at 9.0 mph is descending at an angle of depression of 7o. How many minutes, to the nearest tenth, does it take the submarine to reach a depth of 160 feet? Be sure to include a sketch. Use the following conversion: 1 mile = 5280 ft.
Work this custom problem about right triangles using the techniques you learned in this module.
Show work/explain steps