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Find the value of 2x² when x equals 3?

18


What is 2X-57 degrees?

2x-57 degrees = -55


Find the value of x that gives the greatest possible area of the rectagle side one is 2x and side two is 3-2x?

Find the axis of symetry -b/ 2a that will be the greatest x value


What is additive inverse of -2x?

The additive inverse of a number is the value that, when added to the original number, results in zero. In this case, the additive inverse of -2x would be 2x, since (-2x) + 2x = 0. This concept is based on the properties of addition and the definition of additive inverses in mathematics.


What is it called when you find the numerical value of an expression?

You cannot find the answer to an expression!!! An expression needs to be EQUATED' to a value, for another value to be found. 2x^(2) + 5x + 12 is an EXPRESSION. Impossible to find an value for 'x'. However, 2x^(2) + 5x + 12 = 0 is an EQUATION and a result can be calculated.


Find the initial value of the linear function y=2x+7?

9


Find the value of x if 13 plus 2x equals 3?

13 + 2x = 32x = 3 - 132x = -10x = -5


If 2x 32 find the value of 9 - 4x?

If you mean 2x = 32 then x = 16 and 9-(4*16) = -55


How do you solve f(x)2x-1?

I assume you mean: f(x) = 2x - 1 There is really nothing to "solve" here. This is the description of a function. For a specific value of "x", you can replace that value, to find out the value of the function. This is basically the same as evaluating: y = 2x - 1


When 5 is added to 2 times a number the result is 45.?

If: 2x+5 = 45 then the value of x works out as 20


Substituiotion method to find the value of y y equals 2x plus 5 x plus y equals 4?

y = 2x+5 x+y = 4 Substitute the value of y into the second equation: x+2x+5 = 4 x+2x = 4-5 3x = -1 Divide both sides by 3 to find the value of x: x = -1/3 Substitute the value of x into the original equations to find the value of y: x = -1/3 and y = 4 and 1/3


What is the value of x if 2x 10 is complementary to 2x 20?

To find the value of ( x ), we first need to understand that complementary angles sum to 90 degrees. Thus, we have the equation: [ (2x + 10) + (2x + 20) = 90 ] Simplifying this gives: [ 4x + 30 = 90 ] Subtracting 30 from both sides results in: [ 4x = 60 ] Dividing by 4, we find: [ x = 15 ] So, the value of ( x ) is 15.