Respuesta :

Answer:

-16t^2 + 106 = 47

t = √59/4

Step-by-step explanation:

106 - 59 = 47

-16t^2 + 106 = 47

-16t^2 + 106 - 106 = 47 - 106

-16t^2 = -59

-16t^2 / -16 = -59 / -16

t^2 = 59/ 16

√t^2 = √59/16

t= -√59/4 and √59/4

but you cant have negative time, so √59/4