3 years ago

If D varies directly with t and D is 105 when t is 3, find D when t is 8.

Mathematics

2 answers:

Jet001 [13]3 years ago

7 0

D varies directly with t means
d=kt

105=3k
divide both sids by 3
35=k

d=35t
when t=8
d=35(8)
d=280

B

padilas [110]3 years ago

4 0

Answer: 280

Step-by-step explanation:

d varies directly with t means

d=kt

105=3k

divide both sids by 3

35=k

d=35t

when t=8

d=35(8)

d=280

thus 280 is the answer

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