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Mrrafil [7]
3 years ago
5

In the lock (shown on picture), there are ten numbers to choose from the set of (0, 1, ..., 9) and we choose 4 of them. b How ma

ny ways are there to choose them from the set of (7, 8, 9) only?
Mathematics
1 answer:
nadya68 [22]3 years ago
3 0

Answer:

6

Step-by-step explanation:

since their are 3 numbers to choose from we do 3! or 3*2*1 which is 6.

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I need help with number 2?
MrRissso [65]
PLEASE SOMEONE ANSWER MY QUESTION
8 0
3 years ago
Help please help please
xxTIMURxx [149]

Answer:

Combine like terms

Step-by-step explanation:

The first step in such equations is to simplify the equation which is done most often by combining like terms, and by combining like terms i mean for example:

1 + 5 + 3x = 4y + z

You will combine the like terms (those that can be added or subtracted):

6 + 3x = 4y + z

In our example, combining terms would be adding 2x/3 and 1x/3 to give

3x/3 + 2 = 5

The equation is now simple and easy to solve as you simplify 3x/3 to 1x and then proceed to rearrange the equation to yield the value of x

Hope this helps!

6 0
3 years ago
What are the explicit equation and domain for an arithmetic sequence with a first term of 5 and a second term of 3?
meriva
Any arithmetic sequence can be expressed as:

a(n)=a+d(n-1), a=initial term, d=common difference, n=term number

In this case a=5, and d=-2 so

a(n)=5-2(n-1)  which can be simplified...

a(n)=5-2n+2

a(n)=7-2n

The domain is restricted to integers from 1 to +oo.
3 0
3 years ago
Read 2 more answers
2.75j + 2.25 - 1.5j + 3 simplified
sergiy2304 [10]
You can say 2.75j - 1.5j = 1.25j and 2.25+3 = 5.25 so now you have : 
1.25j + 5.25 and thats simplify :)))
i hope this is helpful 
have a nice day 
4 0
4 years ago
Read 2 more answers
Help please?!?!??!?!!!?!?!?!?!?!?!?!!?!?!?
marissa [1.9K]

Answer:

16.7%

Step-by-step explanation:

Probability is defined by the formula: the number of desirable outcomes over the total outcomes. The total number of outcomes is the sum of all shoes that he could possibly pick:

5 + 7 + 1 + 4 + 6 + 8 + 2 + 3 = 36

And the desirable outcomes are those where he picks brown boots, which is 6 outcomes.

Using the formula for probability, we get the expression: 6/36 to represent the probability. It simplifies to 1/6 which is about 16.7%

3 0
3 years ago
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