Please help! its a combinations question. Thank you!

Most Active
Answered
Newest
Most Votes

Please help! its a combinations question. Thank you!

I have a writing assignment in my economics class to name examples of a product you use that has been made better or cheaper by competition. I already have a few ideas, like how cars have increased...

prove that for every n∈N , ( 2n choose n) is even

Pleas help! Not sure how to do this

A 591 mg sample of vaporized gaseous organic solvent containing only C and H occupies 258 ml volume at 100 C• and 760torr solvent is 85.63% C by mass what is the molar mass and molecular formula of...

You are asked to construct a ramp going into your front door. The bottom of the door is 3 feet from the ground. The ramp must be at least 8 feet long. How far will the bottom of the ramp be from the...

R (x)=200x-2x2 C (x)=-X2 +10x+7425 0< x < 100 Find the number of units that must be produced to break even.

Circle1 has a radius of 5 and is positioned at 0,0. I place Circle2, which has a radius of a 2, at 8,8. This is were I need help. I need the equation that, given a scenario like this, would...

A 5000 seat theatre has tickets for sale at $25 and $40. How many tickets should be sold at each price for a sellout performace to generate a total revenue of $141,500?

After an extensive study, the Interstate Commerce Commission has concluded that, though maintenance and replacement costs for vehicles are considerable, they do not vary significantly from carrier...

university level question

UNIVERSITY LEVEL QUESTION

If you want to pay off the loan in 8 years, what monthly payment do you need to make?

I need help with this story problem for my daughter. Her dad and I can't figure it out.

this is a questation on maths of linear equation is one variable

Question 1 : Prove that if f is a one-one mapping from set A to A then f is onto. Question 2 : Prove that if f is an onto mapping from set A to A then f is one-one.

In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the following is the percent of offspring that will be tall if a heterozygous plant (Tt) is crossed with a...

Suppose A is a set and B is a set. Given that |AυB|=50;|A`B|=20 and |B`A|=15, find |A| and |B| "`" is the closest symbole I could find for set subtraction. PLEASE...

how many elements are in the set {(x,y)∈ AxA|x+y is even} if A={1,2,3,4,5}. Please explain all steps. Thank You!!

Given the information x1=1 and x2=2, and ∀ n≥2, xn+1=4xn-5xn-1, find explicitly the values of p,q which make xn=p(2+i)n+q(2+i)n for every n. I am really having...

Wesley L.

Premier MIT Math Tutor and SHSAT/SAT/ACT Specialist

New York, NY

5.0
(197 ratings)

Steve K.

English Language Teacher for Foreigners

Ridgewood, NJ

5.0
(36 ratings)

Marie W.

Dedicated, Educated tutor

Brooklyn, NY

4.8
(428 ratings)