# Quadratic equation + square root - math problems

#### Number of problems found: 45

• Diagonal of the rectangle Calculate the rectangle's diagonal, which area is 54 centimeters square, and the circuit is equal to 30 cm.
• Unknown number 4 I think number. When I divided its square root by its 1/9, I get a number 1. What number am I thinking?
• 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.
• Solve equation solve equation: [(a2)+3]1/2 + [(a2)-3]1/2 = 5
• Apples A 2 kg of apples cost a certain sum of money. This sum is equal to the number of kilograms for which we pay 72 CZK. How much is 1 kg of apples?
• Trapezium The length of the base and the height size of the base of the trapezium is at ratio 5:3:2, the content area of the trapezium is 128 cm2. Calculate the length of the base and the height of the trapezoid.
• Square Suppose the square's sides' length decreases by a 25% decrease in the content area of 28 cm2. Determine the side length of the original square.
• 3d vector component The vector u = (3.9, u3) and the length of the vector u is 12. What is is u3?
• Tank In the middle of a cylindrical tank with a bottom diameter 251 cm is standing rod which is 13 cm above the water surface. If we bank rod its end reach surface of the water just by the tank wall. How deep is the tank? Solve pure quadratic equation -5x2 +10 = 0.
• Rhombus and inscribed circle It is given a rhombus with side a = 6 cm and the radius of the inscribed circle r = 2 cm. Calculate the length of its two diagonals.
• Root The root of the equation (x-19)2 -10 = x2 -11x is (equal or greater or less than zero)? ...
• Garden The area of a square garden is 2/9 of triangle garden with sides 160 m, 100 m, and 100 m. How many meters of fencing need to fence a square garden?
• Similarity The area of the regular 10-gon is 563 cm2. The area of similar 10-gon is 606 dm2. What is the coefficient of similarity.
• Short cut Imagine that you are going to a friend. That path has a length 120 meters. Then turn doprava and go other 630 meters and you are at a friend's. The question is how much the journey will be shorter if you go direct across the field?
• Rectangular cuboid The rectangular cuboid has a surface area 5334 cm2, and its dimensions are in the ratio 2:4:5. Find the volume of this rectangular cuboid.
• Cuboid Cuboid with edge a=6 cm and space diagonal u=31 cm has volume V=900 cm3. Calculate the length of the other edges.
• Pool If water flows into the pool by two inlets, fill the whole for 19 hours. The first inlet filled pool 5 hour longer than the second. How long pool take to fill with two inlets separately?
• Factors Can the expression 4x 2 -47.6x +39.6 be factored into rational factors?
• Product The product of two consecutive odd numbers is 8463. What are this numbers?

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Looking for help with calculating roots of a quadratic equation? Quadratic Equations Problems. Square root - math problems.