Hippalectryon
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A way to add fractions that always works is to multiply each numerator by the denominator of the other, then express the sum of products over the product of the denominators.
Here, you have
The sum is -1 1/12
Here, you have
The sum is -1 1/12
Total = 16
Graduates = 4
Rounding off to 2 decimal places,
Answer is 0.06
Hope this helps. - M
Graduates = 4
Rounding off to 2 decimal places,
Answer is 0.06
Hope this helps. - M
Focus on triangles DFC and DFE:
- They are both right triangles because DF is perpendicular to EC
- DC=DE
- DF is a common side
So, the two triangles are congruent. It follows that CF=FE, and in particular
And since x=3, the length of EF is