Answer:
I DO NOT UNDRESTAND THE QUESTION.
The question is not clear. As much as i understand it:
3x-12=21
3x=21+12
3x=33
x=11
4x=s
(plug in the value of x, as found in the previous step)
4(11)=s
44=s
hope i helped.
Answer:
48??
Step-by-step explanation:
Answer:
Infinite Answers
Step-by-step explanation:
You subtract 3x from both side which leaves you with 3=3, which leaves you to conclude there are infinite answers to this equation.
For #13
2squared+6squared=x
4+36=40
The square root of 40 is 6.32 so 6.3 is the length of the missing side :)