Answer:
The correct answer is: -7, 7
Step-by-step explanation:
Given numbers are:
-7, 0, 7, 14
We have to check all pairs of numbers with respect to sum to check that which pair of numbers sums up to zero. So first of all, we will take -7 and will find its sum with other numbers.
So,

We can see that the sum of -7 and 7 is zero.
Hence,
The correct answer is: -7, 7
Answer: False
Step-by-step explanation:
degrees of freedom=(r-1)(c-1)
I don't know if I'm exactly right
if not sorry
Answer:

Step-by-step explanation:
Rationalize the denominator first (keep in mind we are NOT solving this because there is no equals sign here. We are merely simplifying.)

Now simplify by taking the square root of 100 to get:

Divide numerator and denomiator by 10 to get:

Answer:
explain what you need help about then i will try to help you
Step-by-step explanation:
Answer:
8.80
Step-by-step explanation:
When rounding up and you are stuck with nine
You can't say 8.710
Your simply add one to the number before it
8.80 that your answer