For percentage increase or decrease, take the absolute value of the difference and then divide that difference by the first number. I assume you are using Excel, since you gave cell references, so here is what you do: In the cell where you want the answer, type =(ABS(A1-A2)/A2)*100. The reason it is multiplied by 100 is because the answer would just be a decimal and not a percent otherwise.
You find percentages with excel the same why you would with any other method. Multiply the number times the decimal equivalent of the percent. If you want to find 12% of $132.56, use this formula: =132.56*.12If you store the number in cell A1 and the percent in A2, you can use the following formula to calculate the results: =A1*A2
To find the percentage change, you divide the change from initial to final by the absolute value of the initial value and then multiply by 100%. As an example: if the initial value is in cell A1 and the final value is in cell A2, the formula for percent change would be: =(A2-A1)/ABS(A1). You can EITHER multiply that value by 100 to get the percentage OR format the cell to display the number as a percentage. If the original number is negative and the final number is less (even more negative) - this makes the percentage change negative. If the original number is negative and the final number still negative but greater (closer to zero) then this would be an increase even though it would be less negative so the percent change would be positive. If the original number is negative and the final number zero or positive, this would still constitute an increase so the percentage change would be positive. If the initial number was positive and the final number negative, then this would be a pretty obvious decrease and the percentage change would be negative.
-1.7 repeating as a fraction = -16/9 a1= 0.7 a2 = 0.07 r = a2/a1 = 0.07/0.7 = 0.1 fraction: = -(1 + a1/1-r) = -(1 + 0.7/1- 0.1) = -(1 + 0.7/0.9) * (10/10) = -(1 + 7/9) = -(9 + 7)/9 = -16/9
gcd(a,b) = greatest common divisor (or factor, whatever) of a and b. For any set of number, a1, a2, a3, ..., you can use the Euclidean algorithm (http://en.wikipedia.org/wiki/Euclidean_algorithm) to get the gcd(a1, a2), and then again to get gcd(gcd(a1, a2), a3), etc. Often, though, you can eyeball it. So 24*3 = 72. Therefore, gcd(24, 72)=24. 24 does not divide 132, but 12 does (the next biggest factor of 24), so gcd(24, 72, 132)=12.
You can, but the process is slightly complicated, because addition in the Complex field is like vector addition. If z1 = (r1, a1), and If z2 = (r2, a2) Then, if z = (r, a) r = sqrt(r12 + r22) and a = arctan[(r1sina1 + r2sina2)/(r1cosa1 + r2cosa2)]
Enter 1st number in A1 Enter 2nd number in A2 In A3 enter =(1-A2/A1)*100 Or you can enter in A3 =(1-A2/A1) and format cell as number percentage
The simplest and best way is: =A1+A2 You could also do it any of the following ways: =SUM(A1:A2) =SUM(A1,A2) =SUM(A1+A2) =SUBTOTAL(9,A1,A2)
numbers: =A1+A2 text: =A1&A2 or =A1&" "&A2
Excel formulas that will find the average of cells A1, A2, and A4 are: =AVERAGE(A1 ,A2, A4) or =AVERAGE(A1:A2, A4)
While there are many ways of doing it, the simplest way is to use the SUM function and a range in it like this: =SUM(A1:A5)
There following two options should work:=sum(A1:A3) or=A1+A2+A3
A2 is the biggest then A4 then A1
a2
A series is a special case of a sequence where the n'th term is the sum of n numbers a1, a2, ..., an. In other words, it is a sequence in the form S1 = a1 S2 = a1 + a2 S3 = a1 + a2 + a3 ... Sn = a1 + a2 + ... + an
You find percentages with excel the same why you would with any other method. Multiply the number times the decimal equivalent of the percent. If you want to find 12% of $132.56, use this formula: =132.56*.12If you store the number in cell A1 and the percent in A2, you can use the following formula to calculate the results: =A1*A2
next to a2
The Hesi A1 is for Nurses and the hesi A2 is for Dental hygienist.