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Two identical cuboids have dimensions of 4cm by 6cm by 12cm. What is their combined volume?

4cm*6cm = 24cm 2 (End face) 24cm 2 *12cm = 288cm 3 (Volume of one cuboid) 288cm 3 *2 = 576cm 3 (Volume of two cuboids)
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Answered by Alex G. • Maths tutor
3846 Views

If the area of a rectangle is A, why is the area of a rectangle with lengths twice as long not 2A?

This is because you are doubling both the length of the rectangle and its width. If it were extended by a factor of 2 in only one direction then its are would be 2A. Extending it in the other direction as we...
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Answered by Joseph C. • Maths tutor
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How to express one quantity as a percentage of another?

There are several ways to do this which make it particularly interesting. I would advise trying to avoid doing it by eye, this leaves you open to many clumsy mistakes. My preferred method is using equivalent...
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Answered by Sebastian P. • Maths tutor
3197 Views

Put the next fractions in an increasingly order: 1/2, 3/4, 2/3, 5/6

To solve the problem, we will have to find the maximum common denominator (mcd). We decompose the denominator of every fraction obtaining, 2=2; 3=3; 4=2 2 ; 6=2x3. Now, we take the common factors with the bi...
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Answered by Lucia A. • Maths tutor
8098 Views

What is the next number in the sequence? 7 18 29 40 51 ?

First find the difference between the numbers. Do this by subtracting the first number from the second number... 18 -7 11 Double check this to see if this runs true for the whole sequence by adding 11 to 18 ...
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Answered by Kate P. • Maths tutor
9095 Views