Determine which statement is a true proportion. question 7 options: 10/9=11/10 1/2=3/4 12/42=10/35 48/56=40/48

True proportion: 12/42 = 10/35.

Step-by-step explanation:

You can do this by performing the division. For example 10/9 = 1.11111.. and 11/10 = 1.1 so they are not proportional.

Or you can factor numerators and denominators and look for common factors.

For example 12/42 = 2 * 6 / 7 * 6 = 2/7

and 10 / 35 =  5*2  /  5*7  = 2/7.

So these 2 are proportional.

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step-by-step explanation:

given that there are two triangles j'k'l' and jkl>

the former is got by dilating the second one.

when drawn on a grid, (graph paper) coordinates of vertices of first triangle is

(6,12)j, (9,6)k and (12,9)l

side jk has length = distance between j and k

=

side j'k'=distance between j' and k'

=

ie j'k'l' has sides 1/3 of that of corresponding sides of jkl.

hence scale factor of 1/3 is used to get j'k'l'from jkl