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adelina 88 [10]
3 years ago
5

PLEASE HELP ME I'M STUCK. !! Subtract the polynomials: please please show work!

Mathematics
1 answer:
nikdorinn [45]3 years ago
7 0

Answer: xsquared + 9x - 11

Step-by-step explanation:

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What is the answer to 8=56, 7=42, 6=30, 5=20, 3=?
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emma will roll two number cubes labeled 1 through 6. She will record the sum of the two numbers after each roll. She will roll t
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Answer:

75 times

Step-by-step explanation:

First of all let's ook at the 36 possible outcomes and their sums.

2=1,1

3=1,2 2,1

4=1,3 ; 2,2 ; 3,1

5=1,4 ; 2,3 ; 3,2 ; 4,1

6=1,5 ; 2,4 ; 3,3 ; 4,2 ; 5,1

7=1,6 ; 2,5 ; 3,4 ; 4,3 ; 5,2 ; 6,1

8=2,6 ; 3,5 ; 4,4 ; 5,3 ; 6,2

9=3,6 ; 4,5 ; 5,4 ; 6,3

10=4,6 ; 5,5 ; 6,4

11=5,6 ; 6,5

12=6,6

Looking at the above, there are 4 sums equal to 5 out of a total of 36 sums.

Thus, probability of getting a sum equal to 5 is;

P(5) = 5/36

Now,since the cubes are rolled 540 times, number of times a sum equal to 5 will appear will be;

(5/36) x 540 = 75 times

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