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How do you solve this problem x plus y equals 72 x minus y equals 22?
x + y = 72 x - y = 22 Add both equations:- 2x = 94 Divide both sides by 2:- x = 47 Substitute the value of x into the equations to find the value of y:- Therefore: x = 47 and y = 25
What is the value of x plus y?
The value of x + y is indeterminate. You need the values of both x and y to determine x + y.
In AP what is the dependent variable the x or the y?
In most cases, x is independent and y is dependent. That is, you choose the value of x, but this x-value will decide the corresponding y-value.
When Santana is plotting points on a graph. The ratio of y y -value to x x -value is 3 3 to 4 4 for each point. What will be the x x -value of a point with a y y -value of 12 12?
It will be 16.
What is the value of x when y is 0?
if x:=x(y) then y=0 => x=x(0)
What are the number following the word of as a percentage problem called?
The question is not altogether clear, but in a question such as What is x% of y? (where x and y are numbers), y is the original value. Incidentally, since x% of y is the same as y% of x, it does not matter all that much.
What is the word for every x value has one y value?
A function
What does x - y?
In expressions such as "x-y", both "x" and "y" can have any value. The value of "x-y" will depend on what the value of "x" and the value of "y" are.
If you are using the absolute value such as in a problem like the absolute of x-y do you do x-y then figure out the AV of that or do you find the AV of x then y and subtract them?
!x-y! first calculate x-y, then calculate av.
How do you solve this problem x plus y equals 72 x minus y equals 22?
x + y = 72 x - y = 22 Add both equations:- 2x = 94 Divide both sides by 2:- x = 47 Substitute the value of x into the equations to find the value of y:- Therefore: x = 47 and y = 25
How do you use deductive reasoning?
You apply prior knowledge to the problem to create a conclusion. Ex: y=3 x+y=5 What is the value of the variable x? -Well, because you know the value of y is three you can work the problem backwards. x+3=5 5-3=2 x=2
What is the value of x in the equation x y 30 when y 15?
If you mean: x+y = 30 and the value of y is 15 then the value of x is also 15
What do the x and y intercepts represent in a word problem?
Same thing as they do when you are graphing.
What is the value of x plus y?
The value of x + y is indeterminate. You need the values of both x and y to determine x + y.
How would you work this problom If y equals 25 when X equals 5 what is the value of y when x equals 20?
There is no one solution to this problem. For example: y = x2 y = 5x y = x + 20 y = 2x / 5 + 23 These are just four of the infinite set functions that would give "y" a value of 25 when x = 5.
How do you find out if y is a function of x?
y is a function of x iffor each value of x (in the domain) there is a value of y, andfor each value of y (in the range) there is at most one value of x.
If 2 x y 7 what is the value of y when x 3?
if 2x + y = 7, what is the value of y when x = 3?
