Equations practice problems - page 239 of 241
Number of problems found: 4811
- Proof I
When added to the product of two consecutive integers larger one, we get the square larger one. Is this true or not? - 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. Every 6 km has a 10-minute break. How many kilometers were walked when 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 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. - Thrift woman
Calculate how long grandmother will save on new shoes priced 116 euros if she saves 2 Eur monthly. - 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 when the deposit in the bank with interest 2.6% p.a. doubles. - Chestnuts
Michael has 2-times chestnuts less than Tonny. Together they have 312 chestnuts. How many chestnuts have Michael and Tonny? - 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? - The cyclist
The cyclist went from village to town. The first half of the journey went at 24 km/h. The second half of the journey, which mostly fell, went at 38 km/h. All journeys took 94 minutes. Calculate the distance from the village to the town. - Father and son
Father and son are 74 years old together. The son is 30 years younger than the father. How old is the son? - Quiz
The tested student answered correctly on a 3/6 question. The wrong answer was 16. How many questions were answered?
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