Equation + expression of a variable from the formula - math problems
Number of problems found: 328
- Solve equation
solve equation: ?
- Equation 23
Find value of unknown x in equation: x+3/x+1=5 (problem finding x)
Simplify expression - which expression is equivalent to: 3(m + 2) − 4(2m − 9)
- Hyperbola equation
Find the hyperbola equation with the center of S [0; 0], passing through the points: A [5; 3] B [8; -10]
- Parametric equation
Find the parametric equation of a line with y-intercept (0,-4) and a slope of -2.
- Equation of circle 2
Find the equation of a circle which touches the axis of y at a distance 4 from the origin and cuts off an intercept of length 6 on the axis x.
Given 2x =0.125 find the value of x
- Simple equation 3
24 = n • 27, solve for n
- Completing square
Solve the quadratic equation: m2=4m+20 using completing the square method
- Expression with powers
If x-1/x=5, find the value of x4+1/x4
- Substitution method
Solve goniometric equation: sin4 θ - 1/cos2 θ=cos2 θ - 2
- Height of the arc - formula
Calculate the height of the arc if the length of the arc is 77 and chord length 40. Does exist a formula to solve this?
The population grew in the city in 10 years from 30000 to 34000. What is the average annual percentage increase of population?
- The midpoint
The midpoint of (2, 5) and (8, y) is (5, -1). Find the line equation in slope-intercept form.
- Expressions 3
If k(x+6)= 4x2 + 20, what is k(10)=?
- Reciprocal value
How do I calculate a number x that is 9 greater than its reciprocal (1/x)?
Which decimals when subtracted equal 3.89: a - b = 3.89
- Exponential equation
Find x, if 625 ^ x = 5 The equation is exponential because the unknown is in the exponential power of 625
- Find the 13
Find the equation of the circle inscribed in the rhombus ABCD where A[1, -2], B[8, -3] and C[9, 4].
- On line
On line p: x = 4 + t, y = 3 + 2t, t is R, find point C, which has the same distance from points A [1,2] and B [-1,0].
Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation? Equations Math problems. Expression of a variable from the formula - math word problems.