Quadratic Equations Problems - page 30 of 31
Number of problems found: 602
- Roots
Find the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: 5x ² +9x + q = 0 - Biquadratic
By introducing a new variable, solve the biquadratic equation: - x 4 +277 x² -15876=0 - Euler problem
Someone buys 720 tolars towels. If it were for the same money of 6 more towels, it would be 6 tolars cheaper each. How many towels were there? - Rectangular field
One dimension of the rectangular field is 168 m greater than the second dimension. If each side of the rectangle increases by 9 m increases, the surface field is 2187 m². Find dimensions of the field. - Quadratic equation Determine the numbers b and c that the numbers x1 = -8 and x2 = -1 were roots of the quadratic equation: -3x ² + b x + c = 0
- Special cube
Calculate the cube's edge if its surface and volume are numerically equal numbers. - Secret number
Find the secret number n, which reversed decreases by 15.4 if the number increases by 15.4. - Rectangle SS
The perimeter of a rectangle is 154 dm, and its diagonal is 62.36 dm. Find the dimensions of the rectangle. - Heron backlaw
Calculate the unknown side in a triangle with sides 39 and 38 and area 438.6. - Quadratic equation
Quadratic equation 7x²+bx+c=0 has roots x1 = 67 and x2 = -84. Calculate the coefficients b and c. - Right triangle
The legs of the right triangle are in the ratio a:b = 2:8. The hypotenuse has a length of 87 cm. Calculate the perimeter and area of the triangle. - Golden ratio
Divide the line of length 871 cm into two sections so that the ratio of shorter to greater is the same as the ratio of the greater section to the whole length of the line. - Wind drift
The plane flies at 780 km/h, passing distance 1200 kilometers with the wind and once again against the wind for 3 h 5 min. What is the wind speed? - Tangents
To circle with a radius of 41 cm from the point R guided two tangents. The distance of both points of contact is 16 cm. Calculate the distance from point R and circle center. - 2nd class combinations
From how many elements can you create 2346 combinations of the second class? - 2nd class variations
From how many elements can you create 5112 variations of the second class? - Rectangle
The area of a rectangle is 893. Its length is 28 larger than the width. What are the dimensions of the rectangle? - Quadratic equation
Solve a quadratic equation: 2x²+28x-550=0 - Party
At the party, everyone clinked with everyone. Together, they clink 45 times. How many people were at the party? - Right triangle Alef
The obvod of a right triangle is 120 cm, and the hypotenuse is 51 cm long. Determine the lengths of the legs.
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