Surfaces of cubes, one of which has an edge of 48 cm shorter than the other, differ by 36288 dm2. Determine the length of the edges of this cubes.
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
- Unknown number
Identify unknown number which 1/5 is 40 greater than one tenth of that number.
- Secret number
Determine the secret number n, which reversed decrease by 16.4 if the number increase by 16.4.
- Fifth of the number
The fifth of the number is by 24 less than that number. What is the number?
- Three friends
Divide 570 euros to three friends so that first will get 50 euros less than the second and third twice more than the first. How many euros will get everyone?
Andrew, Lenka and Rasto have together 232 pears. Lenka has 28 more than Rasto and Rasto pears have 96 more than Andrew. Determine how much each of them has pears.
- Simple equation
Solve for x: 3(x + 2) = x - 18
Equation ? has one root x1 = 8. Determine the coefficient b and the second root x2.
Determine the discriminant of the equation: ?
Peter had a sachet of candy. He wanted to share with his friends. If he gave them 30 candies, he would have 62 candies. If he gave them 40 candies, he would miss 8 candies. How many friends did Peter have?
Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
- Theorem prove
We want to prove the sentense: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
Solve the equation: 1/2-2/8 = 1/10; Write the result as a decimal number.
- Quadratic equation
Find the roots of the quadratic equation: 3x2-4x + (-4) = 0.
For what x expression ? equals zero?
Solve quadratic equation: ?
Miko and Anton have a total of 1,580 blueberries. Miko and Anton have them in the ratio 2: 3. Determine how much each of them has.
- Square Number
If to a square of integer number add 31, we get the square of next integer number. What is the original number?