Answer:
I would say 49 is your answer
Step-by-step explanation:
53 plus 78 qould equal 131
subtract 131 from 180 and you get 49
add up all your numbers including x then they should all equal 180
Answer:\
hey check out the attachment i found them online hope it help and thank you!
I looked for them like for 20 min I finnaly found them
Have a nice day/night! LOL
Step-by-step explanation:
We know that: <span>3(x-1)^2-162=0
or (x-1)</span>²= 162:3
and (x-1)²= 54
we <span>take the square root of both sides
* x-1=</span>√54= 3√6 or x=1+3√6
* x-1= -<span>√54= -3√6 or x=1-3√6
This equation has 2 solutions</span>
Answer:
44
Step-by-step explanation:
mean = (13+15+12+16+14+X)/6 = 19
70+X=19×6
X=114-70=44
