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Mumz [18]
3 years ago
13

8y + 7 = 6y - 3 Help solve

Mathematics
2 answers:
Alenkasestr [34]3 years ago
6 0

Answer:

-5

Step-by-step explanation:

8y-6y=-3-7

2y=-10

y=-10÷2

y=-5

Kruka [31]3 years ago
4 0

Answer:

you subtract 6y from itself and 8y. Then you have 2y+7=-3. Then you subtract 7 from itself and --3. Then you have 2y=10. Then divide 10 and 2y to get y=5

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Two number cubes are rolled for two separate events:
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<u>Step-by-step explanation:</u>

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

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

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          (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

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Step-by-step explanation:

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