Which of the following is the missing value in the table above?

Question

scienceteen8 · Answer

attachment

kayhoo22 · Answer

It could be anything, really. A possibility could be 30, but it could be anything.

scienceteen8 · Answer

20
30
35
25 i knew i was forgeting something lol

kayhoo22 · Answer

Okay

danjs · Answer

you can know that 10mm = 1 cm

or realize that the relation from mm to cm  is linear

scienceteen8 · Answer

its 30?

kayhoo22 · Answer

It does not have a specific answer, because the data you gave us is kind of open ended. It could be anything. You didn't give us enough information to fill it in.

scienceteen8 · Answer

ok thnks though

danjs · Answer

cm and mm are related by some value k

y = k*x

using th epoint (x,y) = (4 cm,40 mm)

danjs · Answer

y = k*x
40  = k*4

k = 10

danjs · Answer

y = 10 * x

#mm = 10 * #cm,

danjs · Answer

use 3 now for x,  3 cm will be 30 mm

danjs · Answer

are you doing direct proportions,  or , 'varies directly '  probs?

anonymous · Answer

30mm