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GalinKa [24]
3 years ago
10

The elimination method is useful when you can eliminate one of the variable terms from an equation by adding or subtracting anot

her equation. True or False
Mathematics
1 answer:
Reil [10]3 years ago
5 0
The answer is True. Hope this helps :)

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Two number cubes are rolled for two separate events:
andrew11 [14]

Answer:  \bold{P(B|A)=\dfrac{P(B\cap A)}{P(A)}=\dfrac{11}{30}}

<u>Step-by-step explanation:</u>

The probability of Event B given Event A = the intersection of Event A and B divided by the probability of Event A. (see below for the symbols)

P(B|A)=\dfrac{P(B\cap A)}{P(A)}

P(A) = (1, 6), (1, 5), (1, 4), (1, 3), (1, 2), (1, 1)

          (2, 6), (2, 5), (2, 4), (2, 3), (2, 2), (2, 1)

          (3, 6), (3, 5), (3, 4), (3, 3), (3, 2), (3, 1)

                    (4, 5), (4, 4), (4, 3), (4, 2), (4, 1)

                              (5, 4), (5, 3), (5, 2), (5, 1)

                                        (6, 3), (6, 2), (6, 1)

       = 30

P(B) = (1, 2), (2, 1)                                   sum = 3

          (1, 5), (2, 4), (3, 3), (4, 2), (5, 1)    sum = 6

          (3, 6), (4, 5), (5, 4), (5, 4), (6, 3)  sum = 9

          (6, 6)                                           sum = 12

                       

      = 12

P(A ∩ B) =  (1, 2), (2, 1)

                  (1, 5), (2, 4), (3, 3), (4, 2), (5, 1)

                  (3, 6), (4, 5), (5, 4), (5, 4), (6, 3)

             = 11

7 0
3 years ago
4.) Katrina is reading a book that has 384 pages. If she reads 12 pages a day, how many days will it
JulsSmile [24]

384 / 12 = 32.

Long division.

4 0
3 years ago
What is the sum of 2 numbers is 30 and their difference is 6 answer?
gayaneshka [121]
The numbers are 18 and 12
7 0
3 years ago
LOTS OF POINTS please help with three questions
ser-zykov [4K]

Answer:

1. 40

2. 91

idk 3... Sorry..

6 0
3 years ago
Read 2 more answers
Which formula describes the following geometric sequence? Remember that n represents the term number.
anzhelika [568]
The formula on nth term is l=ar^(n-1)
The 1st term is 2 & r,the ration =3

Then is 2x3^(n-1). Mind you (n-1) is an exponent on 3
3 0
3 years ago
Read 2 more answers
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