14/15
5/15 + (3x3 / 3x5) = 5/15 + 9/15 = 14/25
Answer:
If the line passes through the orgin
Step-by-step explanation:
Answer:
The number of tests required is 330.
Step-by-step explanation:
We have to find the total number of combinations of four wires.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.

In this question:
Four wires from a set of 11.
So

The number of tests required is 330.
Answer:
4/9c
Step-by-step explanation:
When dividing by fraction, multiply by its reciprocal.
so 7a/9bc × 12b/21a = 84ab/ 189abc
Simplify
84/189c
4/9c
3.25, 3.5, 4.25, 4.5, 4.75