F$
6400
6400 is invested at
5
5% annual simple interest, how much should be invested at
9
9% annual simple interest so that the total yearly income from both investments is $
833
833?

Hello! i hope this
since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.

Value for line ac: (3x+6)+(2x+14)= 5x+20