# Expression of a variable from the formula + third power - math problems

#### Number of problems found: 91

• What are 2 What are the two more terms of the GP a, ax, ax2, ax3, __, __?
• Power line pole From point A, the power line pole is seen at an angle of 18 degrees. From point B to which we get when going from point A 30m away from the column at an angle of 10 degrees. Find the height of the power pole.
• Unknown number 7 Calculate unknown number whose 12th power when divided by the 9th power get a number 27 times greater than the unknown number. Determine the unknown number.
• Derivative problem The sum of two numbers is 12. Find these numbers if: a) The sum of their third powers is minimal. b) The product of one with the cube of the other is maximal. c) Both are positive and the product of one with the other power of the other is maximal.
• If the 3 If the 6th term of a GP is 4 and the 10th is 4/81, find common ratio r.
• What is 10 What is the 5th term, if the 8th term is 80 and common ratio r =1/2?
• Find the 2 Find the term independent of x in the expansion of (4x3+1/2x)8
• Sum of GP members Determine the sum of the GP 30, 6, 1.2, to 5 terms. What is the sum of all terms (to infinity)?
• The volume 2 The volume of a cube is 27 cubic meters. Find the height of the cube.
• Substitution method Solve goniometric equation: sin4 θ - 1/cos2 θ=cos2 θ - 2
• Cube basics How long is the edge length of a cube with volume 15 m3?
• Non linear eqs Solve the system of non-linear equations: 3x2-3x-y=-2 -6x2-x-y=-7
• What is 10 What is the measure of the side of the square whose area is (4x2 + 28x+49) square units?
• Calculate 3 Calculate the cube volume whose edge is 3x-1,3x-1,3x-1
• Circle How big is area of circle if its circumference is 80.6 cm?
• Find the Find the number x, which if it increases by 2, then its square increases by 21 percent.
• Cube edges If the edge length of the cube increases by 50%, how does the volume of this cube increase?
• Trapezoid 15 Area of trapezoid is 266. What value is x if bases b1 is 2x-3, b2 is 2x+1 and height h is x+4
• Cube V2S The volume of the cube is 27 dm cubic. Calculate the surface of the cube.
• The cube The cube has a surface of 600 cm2, what is its volume?

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Expression of a variable from the formula - math word problems. Third power - math word problems.