A school wants to add a new sports team. The school sent out surveys asking for the students' favorite sport. Thirteen students named hockey. Others named lacrosse or swimming. Use pencil and paper. Explain how to use the circle graph and ratios to find the number of students surveyed. Then find this number.

the f

last graph i believe

step-by-step explanation:

worked it out i believe

d i think

step-by-step explanation:

answer: idk

step-by-step explanation:

we have three similar triangles, because each has a right angle and shares an angle.   let's write the angles in order: opposite to short leg, long leg, hypotenuse.

cab similar to bad similar to cbd

or as ratios,

ca: ab: cb = ba: ad: bd = cb: bd: cd

we also know

ac = ad + cd

(ad+cd): ab: cb = ba: ad: bd = cb: bd: cd

(ad+cd)/cb=cb/cd

we have cb=6, ad=5 and seek x=cd.

we reject the negative root and conclude x=4

answer: 4