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15.12.2021 •
Mathematics
What is 12 < 9(2x-3)-15? need to know before 11:59 PM CST
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Ответ:
x>3
Step-by-step explanation:
distribute the 9 through 2x-3 so it would make that
12<18x-27-15
12<18x-42
move the variable to the left-hand side and change its sign
-18x<-42-12
-18x<-54
divide both sides by -18
switch the sign
x>3
Ответ:
0.43
Step-by-step explanation:
x = sin^-1(0.4)
x = 23.57
tan(23.57) = 0.436