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Q: What does the r variable represent and what does the n variable represent in math?
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What does the random variable (r) for a binomial experiment of n trials represent?

It can represent anything you want it to. The conventional use is that it represents the number of successes.


How do you do combinations in math?

nCr=n!/r!/(n-r)!


How do you solve For the variable R in PV equals nRT?

P V = n R TDivide each side by ( n T ):(P V) / (n T) = R


How can you figure out combinations in math?

If you have N things and want to find the number of combinations of R things at a time then the formula is [(Factorial N)] / [(Factorial R) x (Factorial {N-R})]


Solve each formaul for the indicated variable pv - nrt for v?

p v = n r t v = n r t / p


What GPA to be a director at Academy of Arts University?

Freshmen * Admission 1,775 enrolled, 2.60 average high school GPA * Average high school GPA 2.60 * Test scores SAT verbal scores over 500 N/R, SAT math scores over 500 N/R, ACT scores over 18 N/R, SAT verbal scores over 600 N/R, SAT math scores over 600 N/R, ACT scores over 24 N/R, SAT verbal scores over 700 N/R, SAT math scores over 700 N/R, ACT scores over 30 N/R http://education.yahoo.com/college/facts/5004.html


What is an expression variable n math?

a letter it could be a b c d e f g h i j k l m n o p q r s t u v w x y z anything


How do you create palindrome number in core java?

suppose n is a number i.e n=325 First we shall divide that number by 10 then store this number in a variable called quation i.e q=n/10 here q=32 . we take one variable say m and store the value of n in that variable i.e n=m And then we shall find remender of that number by dividing 10 i.e n=n%10 we get 5 then we will reverse that number i.e r=r*10+n and then we will repeate the same step if reverse of that number is same as the number entered then that number is called paindrom code: class palindrom { public static void main(String args[]) { int n,m,s,r; n=m; for(s=0;n>0;) { q=n/10; r=n*10; s=s*10+r; n=q; } if (m==r) { System.out.println("Palindrom"); } else { System.out.println(" not Palindrom"); } } } Wrriten By:-Rajkumar Gupta


How do solve simple interest rate math problems?

If an amount C is invested for n years with an interest rate of r%, then the amount of interest earned is C*n*r/100


What is pxrxn in math?

Assuming that x represents multiplication, it is p times r times n or prn.


What does Geometric Series represent?

A geometric series represents the partial sums of a geometric sequence. The nth term in a geometric series with first term a and common ratio r is:T(n) = a(1 - r^n)/(1 - r)


Prove that nCr plus nCr minus 1 equals n plus 1Cr?

nCr + nCr-1 = n!/[r!(n-r)!] + n!/[(r-1)!(n-r+1)!] = n!/[(r-1)!(n-r)!]*{1/r + 1/n-r+1} = n!/[(r-1)!(n-r)!]*{[(n-r+1) + r]/[r*(n-r+1)]} = n!/[(r-1)!(n-r)!]*{(n+1)/r*(n-r+1)]} = (n+1)!/[r!(n+1-r)!] = n+1Cr