# Square root + expression of a variable from the formula - math problems

#### Number of problems found: 94

• Square root 2 If the square root of 3m2 +22 and -x = 0, and x=7, what is m?
• Completing square Solve the quadratic equation: m2=4m+20 using completing the square method
• Solve equation solve equation: ?
• 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?
• Square s3 Calculate the diagonal of the square, where its area is 0.49 cm square. And also calculate its circumference.
• Square diagonal Calculate the length of the square diagonal if the perimeter is 476 cm.
• Cube edge Determine the edges of the cube when the surface is equal to 37.5 cm square.
• 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.
• Unknown number 17 Milada said, I am thinking of a number such that I evaluate expression x1/3, the value of the expression would be 5. Which number Milada thinking?
• Cube 8 The surface of the cube is 0.54 m2. Calculate the length of the cube edge.
• Diagonal of the rectangle Calculate the diagonal of the rectangle which area is 54 centimeters square and the circuit is equal to 30 cm.
• Extending square garden Mrs. Petrová's garden had the shape of a square with a side length of 15 m. After its enlargement by 64 m2 (square), it had the shape of a square again. How many meters has the length of each side of the garden been extended?
• Sphere A2V The surface of the sphere is 241 mm2. What is its volume?
• What is What is the annual percentage increase in the city when the population has tripled in 20 years?
• Annual increase The number of cars produced increased from 45,000 to 47,000 in 3 years. Calculate the average annual increase in cars in%. The surface of the sphere is 60 cm square. Calculate its radius; result round to tenth of cm.
• The schoolyard The schoolyard had the shape of a square with an 11m side. The yard has been enlarged by 75 m2 and has a square shape again. How many meters was each side of the yard enlarged?
• Cylinder The cylinder surface is 922 dm2, its height is equal to the radius of the base. Calculate height of this cylinder. The ladder is 10 m long The ladder is 8 m high How many meters is the distant heel from the wall? Find parameters of the circle in the plane - coordinates of center and radius: ?