Equations practice problems - page 186 of 242
Number of problems found: 4827
- Number puzzle
Darius said to Miloš: I think a number. If I square it to one-fourth and then multiply it by 3, I get its square root. Find the unknown number that is greater than zero and belongs to the set of positive integers. - Root equation
We have 2 numbers. If we multiplied the first number's third root by the second number's square root, we would get the number 18. Determine these 2 numbers. Calculate only the integer solution if the problem has infinitely many solutions in the set of rea - Exponent value
Determine what number equals z in the expression 3^z = 1/243 - Exponent value
Determine what y equals in the expression 5^y = 1/25 - Number calculation
Specify a number that is 61% less than 10². - Rectangle
Calculate the area of the rectangle if its length is 12 cm longer than its width and length is equal to the square of its width. - Money distribution
Denis has 43% more money than Damian, and Zuzana has 12% less money than Damian. They have a total of 165 euros and 50 cents. Determine how much money Denis, Damian, and Zuzana have. - Exponent value
Calculate the value of y: 3^y = 0.333 - Exponent value What is the value of x in the expression 8^x = 1/64
- Cargo
The car with cargo weighs 7610 kg, which is 23% of its total weight and cargo. How heavy is the cargo? - Exponent equation Which number is hidden behind x: 2 · x = 160.5
- Two rulers
We have two rulers. The scale interval on the first ruler is spaced 1 cm, and on the second is 15 mm. Rulers are attached to match the initial divider commas. What next dividers commas coincide? Find at least three cases. - Stolen amounts
X + Y = 31835 X is the amount stolen by 1,2 and 3 Y is the amount stolen by 4 and 5 1. stole half of X, 2. half the rest and 3 more on top of that 3. stole 6801.5 4. He stole 1/9 of Y, which is 513 5. He stole the rest - Money
Peter has 2x more money than Michael. However, if Peter gave Michael € 16, Michael would have 3.5 times more money than Peter. Find how much money was initially sent from Peter and how much Michael. - Number calculation
Determine x if 52% of x equals 9.1 * 6. - Walnuts
x walnuts were in the mission. Dano took 1/4 of the nuts, Michael took 1/8 of the rest, and John took 34 nuts. It stayed here 29 nuts. Determine the original number of nuts. - Hazelnut eating Denis eats 12 hazelnuts in 1 day. How many more hazelnuts must he eat a day to eat 57 hazelnuts in 3 days if he ate the same amount of nuts every day?
- Equation with abs
Solve this equation with absolute value member: |3(3x-1)|=8 - Square root value Determine the value of x if x0.5 = 6
- Work time
Milos would do the work himself in 5 hours. How much would it take Dan to do the job together in two hours?
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