Answer:
Children's books
Step-by-step explanation:
It is easier to compare if we covert all numbers to decimals:-
3/10 = 0.30, 25% = 0.25 and 7/20 = 0.35
So we see that children's books (0,35) cover the most shelf space
Answer:
The pattern is + 10.
Step-by-step explanation:
13 + 10 = 23
23 + 10 = 33
33 + 10 = 43
...and so on.
I hope this helped! :-)
Answer:
10 remainder 0
Step-by-step explanation:
60/8 = 7.5
6/6 = 10 remainder 0
So we are trying to find this red line's length.
We can either find it directly, or use the blue line firs, and then use it as a leg for the green triangle.
So the blue leg is a hypotenuse for two of the edges. So:
from the Pythagorean Theorem
OR
Which works out to:
So now that we have that, using the Pythagorean Theorem again gives:
So the length of the red line is found that way.
But wait! There's more!
As it turns out, the red line can be found with an easier way that works with cubes and boxes (cuboids). It's really easy:
Where a, b, and c are all 10m, and d is the red line. This greatly reduces the math:
which gives the same answer as above, which you can see.
Answer:
use formula of equilateral triangle = roots 3/4 a square.