Answer:
Step-by-step explanation:
x = original salary
$3800 = (1-9%)x = (1-0.09)x = 0.91x
x = $3800/0.91 = $4175.82
The inverse operation would be 3x34=102
A circle is 360° all the way around; therefore, if you divide anarc's<span> degree measure by 360°, you find the fraction of the circle's circumference that the </span>arc<span> makes up. Then, if you multiply the length all the way around the circle (the circle's circumference) by that fraction, you get the length along the</span>arc<span>.</span>
Answer: Option 'B' is correct.
Step-by-step explanation:
Let the initial concentration be

Let concentration after t= 90 hours be N
Since we have given that Sodium-24 has a half life of 15 hours i.e.

So, According to question,

As we know that

Hence, Option 'B' is correct.