Find the first five terms of each sequence. 01 =20, , – 34,- -1. n 1. N 32 4 4 4 Qa. 20. 4. S' 25' 125 25 125 b. 20. 4. 4 S 5 15 Oc. 20,5 5 , 4 4 4 2​

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36

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