trayvion201 trayvion201

25-02-2020
Mathematics

contestada

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

35
280
840

Respuesta :

amna04352 amna04352

25-02-2020

Answer:

280

Step-by-step explanation:

D = kt

105 = k(3)

k = 35

D = 35t

D = 35(8) = 280

Answer Link

Officialalehpeter Officialalehpeter

25-02-2020

Answer:

280

Step-by-step explanation:

Let the variation component be "k"

D = kt

When D = 105 and t = 3,

105 = 3k

Divide both sides by 3 to get the value of "k"

105/3 = 3k/3

k = 35

When t = 8,

D = kt

D = 35 x 8

D = 280

Answer Link

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