A helicopter leaves its base and flies 40km on a bearing of 050° and then 30km on a 3 bearing of 105° a) Draw a scale diagram to show this information. How far is the helicopter from its base? b) On what bearing does the helicopter need to fly in order to return to its base?

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39