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What two numbers have a difference of 7 and a sum of 29?
X - Y = 7 eqn 1X + Y = 29 eqn 2Taking eqn 1 we can isolate for XX-Y = 7add Y to both sidesX = 7 + YSubstituting this into eqn 2 we getX + Y = 29(7 + Y) + Y = 297+ 2Y = 29subtract 7 from both sides2Y = 22divide both sides by 2Y = 11Substituting this into eqn 1 we getX - 11 = 7add 11 to both sidesX = 18So X = 18 and Y = 11
Find the value what expression 5x y for x 7 and y 11?
Unfortunately, limitations of the browser used by Answers.com means that we cannot see most symbols. It is therefore impossible to give a proper answer to your question. Please resubmit your question spelling out the symbols as "plus", "minus", "times", "divided by", "equals".There is no symbol between 5x and y.
What are two number whose product is 10 and whose sum is -7?
17
What could be the equation of a parabola with its vertex at -3 2?
-1
What is 2x-y equals 7 in y form?
-5
What is 9y-11 equals 7?
9y-11=7 +11 +11 9y=18 y=2
What two numbers multiply to get 315 and add to get 52?
1) x*y=315 2) x+y=52 from 2, x=52-y, put into 1, y*(52-y) = 315 or y^2-52*y+315=0 delta= (-52)^2-4*1*315=1444 = 38^2 y = (52-38)/2 = 7 or y = (52+38)/2 = 45 then x = 45 or x = 45
What is the value of y - 4 when y equals -7?
11
How to Solve the system using substitution 3x plus 2y equals 7 y equals negative 3x plus 11?
Where is y in the first equation, you put its equivalent (=) -3x + 11 The first equation is then transformed into: 3x + 2*(-3x + 11) = 7. Then you get: 3x + (-6x) + 2*11 = 7 <=> -3x + 22 = 7 <=> 22 - 7 = 3x <=> 3x = 15 <=> x = 15/3 <=> x = 5. Then you substitute the x in the second equation by its equivalent so, (x = 5) y = -3*x + 11 <=> y = -3*5 + 11 <=> y = -15 + 11 <=> y = -4. x = 5. y = -4.
Find the y-intercept for y equals 3x - 2?
1
What are the values of the variables when the equations of y equals 2x plus k and y equals x squared -2x -7 meet each other at one distinct point?
If: y = x^2 -2x -7 and y = 2x +k Then: x^2 -2x -7 = 2x +K Transposing terms: x^2 -4x +(-7 -k) = 0 Using the discriminant formula: 4^2 -4*1*(-7 -k) = 0 => k = -11 Using the quadratic equation formula: x^2 -4x +4 = 0 => x = 2 By substitution: y = -7 Therefore the values of the variables are: k = -11, x = 2 and y = -7
Y divide 7 plus 6 equals 11?
y/7 + 6 = 11 Subract 6 from bot sides: y/7 = 11 - 6 = 5 Multiply both sides by 7: y = 5*7 = 35
The sum of two numbers is 38 and one tenth of the greater number equals one ninth of the smaller. Find the numbers?
1. (1/10)x=(1/9)y --> 2. (1/10)x/(1/9)=y --> 3. (9/10x)=y 4. Plug into other equation.x+y=38 4. x+9/10x=38 ----> 5. 1.9x=38 --> 6. x=20 7. Plug x into one of the original equaitons.7. 20+y=38 --> 8. y=18x=20,y=18
What two numbers have a difference of 7 and a sum of 29?
X - Y = 7 eqn 1X + Y = 29 eqn 2Taking eqn 1 we can isolate for XX-Y = 7add Y to both sidesX = 7 + YSubstituting this into eqn 2 we getX + Y = 29(7 + Y) + Y = 297+ 2Y = 29subtract 7 from both sides2Y = 22divide both sides by 2Y = 11Substituting this into eqn 1 we getX - 11 = 7add 11 to both sidesX = 18So X = 18 and Y = 11
What is the answer to 2y plus 15 plus 7?
It is 2y + 22 = 2(y + 11)
What is y - 4 equals 7?
y=11
What is the equation of the line whose intercepts are x is 7 and y is 11 showing work?
Points: (7, 0) and (0, 11) Slope: 0-11/7-0 = -11/7 Equation: y-0 = -11/7(x-7) => 7y = -11x+77 Equation: y-11 = -11/7(x-0) => 7y = -11x+77
