Chem
A synthesis reaction occurs between 15.0g of gallium and 15.0g oxygen. 1- Write a balanced equation. Ga + 02 --> Gao2 (I got this part) 2- Setup two factor labels to determine the mass of product possible considering each reactant. Please help #2. I don't understand the...
math-10th
Simplify 7x^2+45x+18/(x^3+12x^2+36x) Please help. Thank you.
Math - 10th grade
Please explain why i^2=-1
Math - 10th grade
Simplify: (1-i)^3 Here's how I break it down using the formula (x-y)^3 but I just don't know how to get to the final answer. Please help. = 1-3i+3(i)^2-(i)^3 Thank you
Discrete math
a/ Sorry, it was what's A intersection B?
Discrete math
(The set of all such that) A={n in Z| 2 divides n} B={n in Z| 3 divides n} Both are contained in the universal set U=Z a/ What is A union B? b/ What is the complement of A?
Discrete Math
"The cube of every real number x is greater than or equal to x, and we can see that since 2^3=8>=2." ? Is this a correct argument?
Discrete Math
Please help with this problem. Thanks a/ Show that for any real number x, if x>1 then |x^4|=< |23x^4 + 8x^2 + 4x| b/ Show that for any real number x, if x>1 then |23x^4 + 8x^2 + 4x| => |x^4| c/ Use the big Theta and big O-notations to express the results of part (a...
Discrete Math
Yes, there's a typo. It's actually 3+4+4+4+4+5+6=30 and there's a graph included in this problem but I don't know how to show the graph so that was why I just described how it looked like with all the vertices and degrees of each. Let me list those vertices and...
Discrete Math
I was hoping if you could help me to solve this problem. Thank you. A department wants to schedule final exams so that no student has more than one exam on any given day. There are 7 vertices of degrees 3,3,4,4,4,5,6 which show the courses that are being taken by more than one...
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