Equations practice problems - page 224 of 227
Number of problems found: 4538
- Crystal
The crystal grows every month at 1.2 permille of its mass. How many months does it take to develop from weight 177 g to 384 g? - Pool
If water flows into the pool through two inlets, it will fill for 20 hours. If the first inlet fills the pool 8 hour longer than the second, how long does it take to fill with two inlets separately? - Equation
How many real roots have equation x³=x? - R triangle
Calculate the right triangle area whose longer leg is 7 dm shorter than the hypotenuse and 10 dm longer than the shorter leg.
- Coin
How many 20-cent coins must be put in a row so that the next 20-cent coins after them (above) are rolled on its axis? - Chocolate
Anthony bought 9 same chocolates for 18 Eur. How many euros will he pay for 19 chocolates? - Cow
104 cow consumes 6968 kg hay per day. How many kg of hay was consumed by one cow in one day? - Expression
If it is true that (l + 15 w)/(w) = 6, then the value of the expression (13 l)/(12 w) is: - Factors
Can the expression 4x ² -47.6x +39.6 be factored into rational factors?
- Fraction
For what x expression (4x²-16)/(3x² -6x) equals zero? - Three numbers
Create from digits 1-9 three-digit numbers with their sum the smallest. What value is the sum of these numbers? (Use each digit only once) - Tippler
Bottle with cork cost 8.8 Eur. The bottle is 0.8 euros more expensive than the cork. How much are a bottle and the cork? - Brick
The isosceles scale has all bricks; the second weight is 1 kg, and the 1/4 of brick is on one side. The balance is in equilibrium. What is the weight of a brick? - Book
The printer used 4201 digits to number the pages of the thick book. How many pages does this book have?
- Equation
Equation f(x) = 0 has roots x1 = 64, x2 = 100, x3 = 25, x4 = 49. How many roots have equation f(x²) = 0? - Function
For linear function f(x) = ax + b is f(19)=141; f(20)=168. Calculate m, if f(m) = 2018. - Denominator
Calculate the missing denominator x: (119)/(17) = (7)/(x) - Inflation
What is better for people (employees)? ... - Triangle P2
Can a triangle have two right angles?
For what x is true x=19x?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
