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ANTONII [103]
3 years ago
11

NC0 + nC3 + nC6 + nC9 + ... what does this equal to?

Mathematics
1 answer:
galina1969 [7]3 years ago
5 0
NC18 apparently this is too short of an answer and is not explained well
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Function help please
Korvikt [17]

Answer:

The first table represents a function.

Step-by-step explanation:

For it to be a function, there needs to be 1 unique y value of 1 unique x value.

  • Looking at 2nd table, we see x value of -5 is mapped to 2 different y values of -5 and 5. So this is not a function.
  • Looking at 3rd table, we see x value of -2 is mapped to 2 different y values of 2 and 4. So this is not a function.
  • Looking at 4th table, we see x value of -4 is mapped to 2 different y values of 2 and 0. So this is not a function as well.

Looking at table 1, there are no duplicate x values and each of the 4 x values map to different values. So the first table represents a function.

4 0
3 years ago
If you start a free trial without a form of payment attached to your account can you get charged by the website?
natka813 [3]

Don't think so.

/ᐠ。ꞈ。ᐟ\

*Has to add more words to be able to answer this*

8 0
2 years ago
Read 2 more answers
Simplify 2 +5 + (-4 +i)
rodikova [14]

Answer:

the answer is 4 because

2+5+(-4+1)

= 7+(-3)

=7-3

=4

4 0
2 years ago
If one angle of a triangle is 90°, then the other two add to 90°. <br> Write the To Prove statement
hram777 [196]
So a triangle is always 180°.
If one angle is 90° then we can subtract that from the 180° to find out how much the other two will be.
180°-90°=90°
So the other two angles added together will have to equal 90°.
5 0
3 years ago
The Martian Colonies elect their government through a lottery. There are 100,000 people living on Mars, and every year, a counci
Rom4ik [11]

Answer:

100,000C999

Step-by-step explanation:

Given that the Martian Colonies elect their government through a lottery. There are 100,000 people living on Mars

every year, a council of 99 co-equal leaders is randomly selected from the population.

Since these are members, order of selection of not important

So combinations woul dbe used here.

Total number of persons avaiiable = 100,000

No of persons to be selected = 999

No of ways this can be done =

999 out of 100,000

= 100,000C999

4 0
3 years ago
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