Alice has x tapes and Bill has 10 more tapes than Alice. Alice gives Bill 15 more of her tapes. Bill now has twice as many tapes as Alice now has. Write an algebraic equation to show this data and...
x − 3y − z = 13 3x + y − 4z = −13 −2x + 5y + 3z = −19 x = ? y = ? z = ? (If the system has infinitely many solutions, express your answer...
I have the question factor this problem, 2x^2+5x-3. And I was told to multiply 2 by -3, which the answer is -6. And then add the factors of -6 to get the middle number. Which -1 plus 6 is 5 for...
Write log_2?(x-1)+log_2?(x+1)-log_2?(x^2-1) as a single logarithm with a coefficient of 1
How do you find the answer for x + y = 3
I am doing pre Algebra and I am a little confused
By air, the distance from Melbourne, Australia, to Cairo, Egypt, is 2338 miles more than the distance from Madrid, Spain, to Bangkok, Thailand. If the total of these distances is 15,012 miles,...
Write and graph a direct variation equation that relates the v ariables
if you need to graph y=.5x+1, how will you know if its parallel or perpendicular?
Given that y varies directly with x, use the specified values to write a direct variation equation that relates x and y
I keep retrying this problem on paper, but when I check it, the answer is always wrong...
I DON'T KNOW HOW TO SOLVE THIS PROBLEM
I am trying to solve a problem and would like your help,, formula: I=prt, interest=$360,rate=6%,time=3years, principal= _??
i do not understand how to simplify this equation
I know x=-10, but I want to know the way to get there
The answer I got is x= -2. Am i right?
find slope line for given point
Help please! I have substituted 25, 17, 13 and -25 from the answer bank - none of which balance out to a -4. Completely stumped.