lilzaya510
12.06.2020 •
Mathematics
Select the reason why these triangles are similar. If they are not, select “ not similar”! Please help me!
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Ответ:
d
Step-by-step explanation:
this triangles are not similar.there is a common angle, but the edges are not proportional to each other
Ответ:
f(x) = |7m + 4| = 1
First equation by taking positive modules
7m + 4 = 1
7m = -3
m = -3/7 . Ans.
Second equation by taking negative modules
-7m - 4 = 1
-7m = 5
m = -5/7 . Ans.
∴ m = [ -5/7 U -3/7 ] Ans .