mariah16powell
03.07.2019 •
Mathematics
What value of a makes the equation true? 
= 
a: 6 b: 9 c: 30 d: 225
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Ответ:
30/45 = 6/a
using cross products
30 * a = 45*6
divide by 30
a = 45*6/30
a =9
Choice B
Ответ:
4
Step-by-step explanation: