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Algebra

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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: What does x y equal in chemical equations?
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Related questions

What does x and y equal in the equations y equals x plus 2 and 3x-y equals 6?

x = 4 and y = 6


What two numbers equal 33 when you add them and 9 when you subtract them?

42


What does X and Y equal in the equations 2X equals 3Y and 4X-3Y equals 12?

y = 4, x = 6


What 2 numbers equal 155 when added but equal 11 when subtracted?

let x = first number, y = second. x+y = 155 x-y = 11 add the two equations 2x= 166 x = 83 y = 72


If y equals x and y equals 6-x what is the solution?

y=x y=6-x Set the two equations equal to each other to yield a solution: x=6-x 2x=6 x=3 x=3 will satisfy both equations, that is plugging in x=3 will give the same value for y y=(3)=3 y=6-(3)=3


What two numbers when divided equal 84 and when added equal 26?

110


Yx-1 y-x 3 find the solution for the system?

y = x - 1 y - x = 3 y = x - 1 y = x + 3 Since both equations represent straight lines that have equal slopes, 1, then the lines are parallel to each other. That is that the lines do not intersect, and the system of the equations does not have a solution.


What is the value of x for the equations x-y equals 120 and x plus y equals 150?

x-y = 120 x+y = 150 add equations: 2x = 270 x = 135 y = 15


How do you find equation when 2 equations and 1 coordinate is given?

By solving the simultaneous equations the values of x and y should be equal to the given coordinate


How do you solve a system of equations?

For your situation, you probably have 2 equations with 2 unknowns (x and y, for example). If this is the case, solve both equations for y (so you get y=....). Then, since these are both equal to the same thing (y) they are both equal to each other. This means set the 2 equations equal to each other. Now you will only have 1 unknown (x, most likely) and 1 equation (with stuff on both sides). Solve for x, you should get a number. Now, go back to the beginning where you solved for y and plug in your x-value into one of the equations to find a number for y.When you get done, it is always a good idea to substitute the solutions into the original equations to verify that your calculations were correct.


X equals 8-2y y-x equals 4?

Presumably this is a simultaneous equation in the form of: x = 8-2y y-x = 4 Which is the same as: 2y+x = 8 y-x = 4 Add both equations together: 3y = 12. So y will equal 4. Substitute the value of y into the original equations to find the value of x: So: x = 0 and y = 4


What is x plus y equals 30?

It is an equation of a straight line. But it is not possible to tell you what x and y equal because you have only given one equation. Since there are two variables (x and y), you need at least 2 equations to solve for x and y. (Likewise if you had 3 variables, you would need at least 3 equations).


Solve x equal 2y and y equal x minus 2?

x = 2y y = x - 2 or x = 2y subtract 2y to both sides x - 2 = y subtract y and add 2 to both sides x - 2y = 0 multiply by -1 to both sides x - y = 2 -x + 2y = 0 x - y = 2 add these two equations together y = 2 substitute 2 for y into the first equation, x = 2y x = 2(2) = 4 Thus the solution of these linear system of equations is the point (4, 2). Check:


What is a system of equations that has the answer 7 11?

x + y = 18 x - y = -4


Two numbers sum to 50 their difference is 16 what are two equations for this problem?

x + y = 50 x - y = 16 --------------- (add the two equations to solve for x) 2x = 66 x = 33 then substitute x into one of the above equations to get y = 17


How do you work simultaneous equations?

for example: 2x+y=8----(equation1) and x+y=6----(equation2) since "y" in both equations r positive and equal we can minus them(equation1-equation2) 2x-x y-y 8-6 so x=2 we use this to substitute the x (with 2) using any equation, x+y=6 i.e (2)+y=6 y=6-2 so y=4 There. That was on way.we should always make either of the variable equal. i.e by multiplying the entire equation.


What are simultaneous equation in maths?

Simultaneous equations are where you have multiple equations, often coupled with multiple variables. An example would be x+y=2, x-y=2. To solve for x and y, both equations would have to be used simultaneously.


Simultaneous equations using elimination?

I will give you a very simple example and you can see how it is done x+y=10 -x+y=30 So if we add these equations together, we eliminate the variable x. We can do this since adding equal thing to other equal things always gives us equal things. So we have 2y=40 or y=20 Now plug that back in either equation. x+20=10 and we have x=-10


If x-y equals -3 and 2x plus y equals 12 then what does x and y equal?

x - y = -3 2x + y = 12 (add both equations) 3x = 9 (divide by 3 to both sides) x = 3 x - y = -3 (replace x with 3) 3 - y = -3 subtract 3 to both sides) -y = -6 (multiply by -1 to both sides) y = 6 The solution of the system of the equations is (3, 6).


Is x-y equal to y-x?

No


Find Two Numbers with a mean of 24 and a difference of 8. Use simultaneous equations. Full working please?

Take the two numbers as X and Y. The mean of the two numbers would be (X+Y)/2 which will be equal to 24. So : (X+Y)/2 = 24 X+Y=48 - This is equation no. 1 The difference between the numbers is X-Y which is equal to 8: X-Y=8 - This is equation no. 2 Adding the two simultaneous equations above would give: X+Y + X-Y=48 + 8 2X=56 So: X=28 Substitute this in any one of the above equations: Equation no. 1 - 28 + Y=48 Y=20 So the two numbers are 28 and 20.


What is the common point of these equations x plus y 10 x - y 6?

Without any equality signs the given terms can't be considered to be equations but if you mean x+y = 10 and x-y = 6 then the value of x is 8 and the value of y is 2 and both equations intersect at (8, 2) on the Cartesian plane.


What is the x and y of x-y equals -1 and -x plus y equals -1?

-2


What is the solution set for the equations yx-6 and yx plus 2?

What is the solution set for the equations x-y=2 and -x+y=2


What 2 simultaneous equations that cannot be solved?

x + y = 1 x + y = 2