Answer:85.5
Step-by-step explanation:
Use calculator
Answer: x=75
Explanation:
x+10+x+20=180
combine like terms
2x+30=180
subtract 30 from each side
2x=150
divide each side by 2
x=75
X=-12,0
Y=-0,12 hope this helps:/
Answer:
huh?
Step-by-step explanation:
Answer:
b > 12.71
Step-by-step explanation:
Here in this question we have to solve the inequality equation given for b (An unknown variable}
Now, the equation is 
⇒ 
We are taking the base of the log here is 10.
So,
{Since
and
}
⇒ b > 12.71 (Approximate) (Answer)