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max2010maxim [7]
3 years ago
12

Please people i will give you lots of points and please give me the correct answer

Mathematics
1 answer:
cupoosta [38]3 years ago
5 0

Answer:

15

Step-by-step explanation:

30 subtract 15 = 15 and both the 10 and the other 10 are the same

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This equation basically says that a number plus 3/5 equals 2 so we can simply:

2 - 3/5 = x

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A picture is 5 inches wide and 8 inches tall.
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Answer:

100 in^2

Step-by-step explanation:

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12345 [234]

Answer:

5P3*6C4=60*15=900

Step-by-step explanation:

5P3 refers to the permutations of 5 items taken 3 at a time. To evaluate this, we use factorials as follows;

5P3=\frac{5!}{(5-3)!}

The factorial of an integer n is evaluated as;

n!=n*(n-1)*(n-2)*(n-3).......3*2*1

Using this concept, the above expression can now be simplified as follows;

5P3=\frac{5!}{2!}=\frac{5*4*3*2!}{2!}=5*4*3=60

Therefore, the permutations of 5 items taken 3 at a time is 60.

The next expression, 6C4 refers to the combinations of 6 items taken 4 at a time. The simplification utilizes similar concepts of permutations since we shall be involving factorials;

6C4=\frac{6!}{4!(6-4)!}=\frac{6!}{4!*2!}=\frac{6*5*4!}{4!*2*1}=\frac{6*5}{2*1}=15

Therefore, the combinations of 6 items taken 4 at a time is 15.

The final step is to evaluate the product;

5P3*6C4=60*15=900

3 0
3 years ago
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