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Rasek [7]
3 years ago
11

Equation don't has three time much money than his brother who has 25.

Mathematics
1 answer:
mash [69]3 years ago
5 0
First think out the equation, once you've done that multiply 3 by 25 to get 75
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How can you determine if you need to use a combination or permutation to count the number of outcomes? Which will usually have m
Nadya [2.5K]

Answer with Step-by-step explanation:

Permutation : It is an arrangement of r elements out of n elements.

Combination : it is a selection of r element out of n elements .

Suppose we have a set

S={1,2,3}

If two elements are taken at a time then

Using permutation formula

Total number of outcomes=3P_2

Total number of outcomes=\frac{3!}{(3-2)!}

Total number of outcomes=3!=3\times 2\times1=6

Using combination formula

\binom{n}{r}=\frac{n!}{r!(n-r)!}

Total number of outcomes=\binom{3}{2}=\frac{3!}{2!1!}

Total number of outcomes=\frac{3\times2!}{2!}

Hence, total number of outcomes=3

Total number of outcomes determined by permutation have more outcomes.

Because permutation is an arrangement of elements  therefore, it consider order of arrangement of element   but combination is a selection of elements it does no consider order of elements

Arrangements of two elements out of 3 elements

{1,2},{2,3},{2,1},{3,2},{1,3},{3,1}

By using combination if two elements taken at a time then combination

{1,2},{2,3},{1,3}

4 0
3 years ago
How do we solve this??
jasenka [17]

Answer:

Y= 42

Step-by-step explanation:

The answer would be 42 because if x=9 and the equation is 5x you have to multiply and that will give you 45 and then subtract 3 which would give you  42

4 0
3 years ago
Read 2 more answers
A citrus grower ships grapefruit in boxes of 10. One season, The growers shipped 20,400 boxes of grapefruit. How many grapefuit
erica [24]
204,000 grapefruit.

There are 10 grapefruit in each box and there are 20,400 boxes; you need to multiply the number of grapefruits in each box (10) times the number of boxes (20,400) 

10x20,400=204,000

Don't forget the units! In this problem, the units are grapefruit.
3 0
3 years ago
Help please, I’m timed.
Nadya [2.5K]

Answer:

Final answer is A. P(A^c)=\frac{4}{7}

Step-by-step explanation:

From table we see that there are 7 places in the list.

Event A = The place is city.

Then A^c indicates the place is NOT city.

From table we see that there are 4 names "India, Peru, Canada, Mexico" which are not city.

Hence probability that the chosen place is not city is given by:

P(A^c)=\frac{4}{7}

Hence final answer is A. P(A^c)=\frac{4}{7}

4 0
3 years ago
Can you please help me<br> sorry this is hard for me but i’ll give u brainliest and 70 points
devlian [24]

Answer:

-9 + 5 = -4

Step-by-step explanation:

I think that's what your asking.....

6 0
2 years ago
Read 2 more answers
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