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.
- 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?
On two trees sitting 17 ravens. If 3 ravens flew from first to second tree and 5 ravens took off from second tree then the first tree has 2 times more ravens than second tree. How many ravens was originally on every tree?
- Fifth of the number
The fifth of the number is by 24 less than that number. What is the number?
Equation ? has one root x1 = 8. Determine the coefficient b and the second root x2.
Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
Determine the discriminant of the 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.
- Percentage reduction
Reducing the unknown number by 19% get number 700.7 Determine unknown number.
For what x expression ? equals zero?
Solve quadratic equation: ?
- Square Number
If to a square of integer number add 31, we get the square of next integer number. What is the original number?
- Simple equation
Solve for x: 3(x + 2) = x - 18
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?
Solve the equation: 1/2-2/8 = 1/10; Write the result as a decimal number.
- 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?