math
i have no idea how to do the last one
math
How many 4-letter words can be formed by slection four letters from the word UNIFORM? I don't understand how to do this at all. I know the answer is 840 but why? i have no idea how to simplify this... can anyone help? (x+3)!/x+3 (x-2)!/x!
math
you are given an exam with only 9 questions. if each question has 4 choices, how many different possible answers can you have for the entire exam?
MATH PLEASEEEEE
thanks for your time and your help!
MATH PLEASEEEEE
A)If a license plate consists of 2 letters followed by 3 digits or 3 letters followed by 2 digits, how many license plates can be created? B)You are given an exam with only 9 questions. if each question has 4 choices, howmany different possible answers can you have for the ent...
To Kennedy: math
please will you put my post up so doc. bob can help me yoo
To Kennedy: math
A) 26c2*10c3+26c3*10c2...but im not gettting the right answer. i just didn't feel like typing out my work after each one...but i will, but i'm not getting the right answer! b) (4c1)9 c) 20c5*5p1 happpy????
physics-major help!
the object hung from the cable has a weight of 25 N. write the equation for the sum of the forces in the y-direction. what is the tension i nthe cable? has a 30 degree angle. how do i do this pleasee help i don't understand at all!
math
which of the following functions have a inverse? f(x)=ab.solute value of x. f(x)=x^3 f(x)=x^4 f(x)=x^3 f(x)=x^4,xless then or equal 0. how do i know if they have an inverser, can someone please explain:) thanks for your time YOOO
Math
OHHH thanks reiniyyyy
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