annette211pdd8v9
19.09.2019 •
Mathematics
2/3 x +1=13
what’s the value of x
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Ответ:
x=18
Step-by-step explanation:
2/3x+1=13
-1 from both sides
2/3x=12
multiply by 3/2 on both sides
x=18
Ответ:
14.7%
Step-by-step explanation:
Being that there is 4 red, 2 blue, 6 green, 8 white, that means there is 20 marbles, with 8 success, 8/20. Since the marble is not replaced, that drops it to 7/19 for the second pull. Multiply these together and you get 14.7%.
(8/20)*(7/19)=.147
.147*100=14.7