Equations practice problems - page 244 of 246
Number of problems found: 4913
- 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
Find the edge length of a cube whose surface area and volume are numerically equal. - Proof I
When the larger of two consecutive integers is added to the product of those two integers, the result is the square of the larger integer. Is this true? - Exponential equation
In the set R, solve the equation: 7 -5 +19x=4 3 -20x - Guess number
With what number should be divided, number 10387 to be reduced by 30%? - 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. - Tourist
Tourists walk at 4.2 km/h. They take a 10-minute break every 6 km. How many kilometres did they walk if they started at 4:40 and finished at 21:40? - Seedcake
Seedcake costs 20 cents. How many minimum seedcakes must we buy that we can pay in cash, only whole euros? - Heron backlaw
Calculate the length of the unknown side of a triangle with sides 39 and 38 and area 438.6. - Quadratic equation
Quadratic equation -4x²+bx+c=0 has roots x1 = 88 and x2 = -10. Calculate the coefficients b and c. - Thrift woman
Calculate how long a grandmother must save to buy new shoes priced at 116 euros if she saves 2 EUR per month. - Number
Calculate the integer number divided by 24, gives 16 and the rest 7. - Demographics
The population grew in the city in 10 years from 30000 to 34000. What is the average annual percentage increase in population? - Compound interest
Calculate the time it takes for a bank deposit earning 2.6% p.a. interest to double. - Chestnuts
Michael has 2 times fewer chestnuts than Tonny. Together they have 312 chestnuts. How many chestnuts does each of them have? - Right triangle
The legs of a 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
A plane flies at 780 km/h airspeed. It covers a distance of 1200 km with the wind and then the same distance against the wind in a total of 3 h 5 min. What is the wind speed? - The cyclist
A cyclist travelled from a village to a town. The first half of the journey was at 24 km/h. The second half, which was mostly downhill, was at 38 km/h. The entire journey took 94 minutes. Calculate the distance from the village to the town.
Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
