LigmaXD
02.07.2019 •
Mathematics
On the first swing, a pendulum swings through an arc of length 65 cm. on the successive swing, the length of the arc is 85% of the length of the previous swing. write a rule to model this situation.
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Ответ:
you mutliply 65 to 85%/0.85 and you get 55.25cm as your answer
Ответ:
they are
x,x+2,x+4,x+6
they sum to -92
x+x+2+x+4+x+6=-92
4x+12=-92
minus 12 both sides
4x=-104
divide both sides by 4
x=-26
x+2=-24
x+4=-22
x+6=-20
they are -26,-24,-22,-20