Question

Can anyone help?

Answer 1

highest value given is 23.6

and the maximum value sine function can take is 1

so make the sine term =1, and see which option leads you to T= 23.6

Answer 2

perfect!

Answer 3

so that would make the answer b?

Answer 4

we need to choose between b and d

its given that
when d= 208, T = 23.6

see which option, b or d, gives this

plug in values, use calculator

Answer 5

im getting option b

Answer 6

me too :)

Answer 7

B is correct, indeed.

Answer 8

Thanks so much!

Answer 9

welcome ^_^

Answer 10

are you able to hlep with this aswell?

Answer 11

help* haha

Answer 12

@hartnn

Answer 13

same values so equation would be the same

Answer 14

just plug in d=147

Answer 15

so it would be 20.5?

Answer 16

oh did you get 20.5 ?
i got something which is not in the choices, probably calculation mistake somewhere...

Answer 17

now its giving me 24

Answer 18

math is so confusing hahah!

Answer 19

did you come up with 18.6?

Answer 20

yep, 18.68
but not in the choices

Answer 21

i know ummm round up i guess?? Because that should be the answer

Answer 22

18.68 rounded is 19

Answer 23

yea but the closest is 20

Answer 24

im not sure what else to do because ive written the equation over ad that seems to be the only answer

Answer 25

its not 20
i would go with 10.5

Answer 26

okay Ill let you know if it was right and if not why haha thanks !

Answer 27

for the 1st 183 days, it would be less than 13.9

Answer 28

oh yea that would make sense

Answer 29

so process of elimination after that haha

Answer 30

yep lol :P