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report a bug 15^2-21x-**18** cannot factor, say it has a bug. I get this a lot. What is the problem the exact equation is 15x^2 - 21x - **18** =3(5x^2 - 7x - 6) =3{5x^2 -(10-3)x -6 } =3{5x^2 - 10x + 3x -6} =3

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Question about Algebrator - Algebra Homework Solver (689076614429)

...of 14 karat gold, to be equal to (x+15) grams of **18** karat gold: (x*24 + 15*14) = **18** * (x+15) 24x + 210 = **18**x + **270**, or (24-**18**)x = **270**-210. 6x = 60, so your unknown quantity is 10 grams of pure

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x+4+2/3=6 I THINK YOU WANT TO KNOW THE VALUE OF X X+4+2/3 = 6 (3X +12+2)/3 = 6 3X+14 = 3*6 3X + 14 =**18** 3X = **18** - 14 3X = 4 X = 4/3 X = 1.333 this is answer

Question about Algebrator - Algebra Homework Solver (689076614429)

sin x cos x = -1/2 solve for x sin x cos x = -1/2 solve for x sin x cos x = -1/2 => 2sinx cosx = -1 => sin(2x) = -1 => 2x = (3pi)/2 OR 2x = **270**° => x = 3pi/4 OR x = 135°

3x-7=5x+11 3x-7=5x+11 -2x=**18** x=-9

Question about Algebrator - Algebra Homework Solver (689076614429)

If 5 out of **18** college students work, how many would work if there were 1120 students? About 311.

Question about Algebrator - Algebra Homework Solver (689076614429)

if 5 out of **18** students work in college, how many would work if there were 1120 students? Probably the same 5 students while the rest were studying and going to parties. :) Set up the solution by ...

sinx=-1 Find all solutions to the problem. This is precalculus-trigonometry. Consider this graph, of sin(x) http://www.analyzemath.com/trigonometry/graph_sine.gif You can see that where sin(x) = -1, x

Question about Algebrator - Algebra Homework Solver (689076614429)

...percent did the actual cost exceed the initial estimate? If you wanted to buy a shirt that was $**18**.00 with 30%off you would do **18** * 30% = 5.4 off the price. Knowing that how do you find the % of ...

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