Combination and permutation are two different things. In combination, the number of possible ways considered do not include the order of the elements as a factor. On the other hand, the order of elements in permutation is important. Using the calculator, 5C4 is equal to C.5
Answer:
x+x+x=1+1+1
Step-by-step explanation:
3x=1x+1x+1x
Answer: 20 outlets.
Step-by-step explanation:
We know that Jamal rewired 4 electrical outlets in 1 1/2 hours. This time can be rewritten as a decimal:

Then, if he works at the same pace for 7.5 hours you can calculate the number of outlets that he will rewire with:

Being "x" the number of outlets that Jamal will rewire.
Finally, you have to solve for "x":

He will rewire 20 outlets.
Answer:
its 3:5
Step-by-step explanation: if you don't see the answer talk with your teacher because I did it and I got 3:5
<span>Find
the number of fence did Jon and Jim painted
Jon painted 1 – 4
Jim painted 5 – 12
<u>1 – 2 – 3 – 4</u> – <u>5 – 6 – 7 – 8 – 9 – 10 - 11 – 12</u>
- Jon - Jim
They painted a total of 12 fences. Because Jon started on paint in the first up
to 4th fence and Jim started to paint on the 5th going to
the 12th fence. Thus, the total of the fence they painted is still
12.
</span>