When testing for current in a cable with eleven color-coded wires, the author used a meter to test four wires at a time. How many different tests are required for every possible pairing of four wires? The number of tests required is nothing.

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: procent 54 wynosi 33,33%

step-by-step explanation:

de-gf

hj=3x+20

ji=15x-64