Answer:
7
Step-by-step explanation:
We want to evaluate the fraction below for x = 3. We will put the value of x to be 3:

The answer is 7.
Answer:
$628.67
Step-by-step explanation:
15% of her restaurant bill is $94.30.
15 goes into 100, 6 2/3 times. so we multiply both 15% and $94.30 by 6 2/3 to get 100% and the restaurant bill.
15% x 6 2/3 = 100%
$94.30 x 6 2/3 =
628.666666
or
$628.67
I hope that this helps! :)
Answer:
B & C
Step-by-step explanation:
2:9 can also be written as 2/9
A. 9:2 is just the reciprocal of 2:9 so it is not equivalent to it
B. 18:81 is 2×9:9×9 meaning that is equivalent to 2:9
C: 12:54 is 2×6: 9×6 so it is equivalent to 2:9
Since the two correct answers have already been found, I don't need to explain more.
Hope this helped!!!
Answer: Im think the answer is no solutions
Step-by-step explanation: This was a hard one to learn but now that I know it I hope that I can help you.
Answer:
There are 35990 ways in which 2 or 3 nodes fail
Step-by-step explanation:
Given : A computer network has 60 switching nodes.
To Find : In how many ways can 2 or 3 nodes fail?
Solution:
We are supposed to find no. of ways can 2 or 3 nodes fail.
So, we will use combination here .
No. of ways can 2 or 3 nodes fail=
Formula : 
No. of ways can 2 or 3 nodes fail=
=
Hence there are 35990 ways in which 2 or 3 nodes fail