Answer:
x=1×10−4
Step-by-step explanation:
we have
-----> equation A
The pH of a given solution is the negative log base 10 of the concentration of hydrogen ions, H+
so
ph=-log[H+]
In this problem we have the concentration of hydrogen ions
[H+] =0.1 M
That means that the pH of the solution will be
ph=-log[0.1]
Rewrite
ph=-log[10^-1]
ph=-(-log10)
Remember that
log10=1
substitute
ph=-(-1)
ph=1
substitute the value of ph in equation A and solve for x
applying property of logarithms
The answers are in the image
Say the total allowance is X.
4/9X=$28
Therefore 28/(4/9) = $63
When the train on one route stop there every 9 minutes and trains on the other route stop there every 6 minutes, the time when they will stop at same time is 18 minutes.
<h3>How to illustrate the information?</h3>
From the information, the train on one route stop there every 9 minutes and trains on the other route stop there every 6 minutes.
Therefore, the time when will they stop at same time will be the lowest common multiple for 9 and 6. This is 18. Therefore, 18 minutes is the appropriate answer.
Therefore, the the time when they will stop at same time is 18 minutes.
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Trains on two different routes at the same train station. Train on one route stop there every 9 minutes and trains on the other route stop there every 6 minutes. When will they stop at same time?
It is 1 over 8 aka 1/8. hope it helped.