DRWLS
cAN YOU LOOK AT THE PREVIOUS POST. i am completely lost towards that equation...how do i even solve it because then i would have to cross multiply or cancel and that will give me zero.
help,math
can some set the equation up for me. Science and medicine. A plane flies 720 mi against a steady 30-mi/h headwind and then returns to the same point with the wind. If the entire trip takes 10 h, what is the plane’s speed in still air? i thought it was this set up but its ...
values for k, math,help
can someone show me the steps to work out this problem that is diving me nuts.. Directions: Find all positive values for k for which each of the following can be factored. x^2+x-k I am completely cluelis towards this problem....i've tried it many different ways.... x= -1/2...
factoring,math
can someone show me how to factor this: i keep getting -6 and 5 but i want to factor: x^2+7x+6 x^2+7x+6 = (x+1)(x+6) This means the roots of x^2+7x+6 = 0 ar -1 and -6 duhhhhh...i was thinking completely wrong..thank you 75 75
math, algebra
can someone explain to me this please.... What is the difference between ax^2+bx+c and ax^2+bx+c=0 One is an expression and the other is an equation. (An equation uses an equals sign.) I hope this helps and is what you were asking. well you got to equal it e.g: 3x-1=5 3x=5+1( ...
math,algebra
Can someone explain this to me plese: to factor a number you.... and then can you explain to me To factor an algebraic expression into prime factors means..... thanks This is how I would complete these two sentences. To factor a number, you break it down into smaller parts. To...
math, help
directions are: Factor each of the following polynomials completely. 14x^2-20x+6 I am at this almost last point but i don't know what to do after or if this is the answer 7x^-10x+3=2(7x-3)(x-1) your final answer is correct I am going w/ Anonymous..... It's correct!
math,correction
can someone check these for me please.... problem#4 Directions: Factor each polynomial completely by factoring out any common factors and then factor by grouping. Do not combine like terms. 3a^3+3ab^2+2a^2b+2b^3 My answer: (a^2+b^2)(3a+2b) you are correct
math,correction
Is this correct or no. I need help in a couple of problems can someone explain them to me. Problem#1 directions: Factor each expression a^2(b-c)-16b^2(b-c) My answer is: (b-c)(a-4b)(a+4b) PROBLEM#2 dIRECTIONS: Find a value for k so that 2x^3-kxy^2 will have the facotors 2x,x-3...
math,bobpursly,
4x-2x^2+4x^3 from 4x^3+x-3x^2 4x^3+x-3x^2 -( 4x-2x^2+4x^3) then changing signs and rearranging terms. 4x^3+x-3x^2 -4x^3-4x+2x^2 answer after ADDING the above.. -3x - x^2 so for the answer isn't it the same as what i had -x^2-3x doesnt' x^2 goes first then -3x
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