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Pachacha [2.7K]
3 years ago
15

Simply each expression by combining like terms. -7W + 2W - 12W-W

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
3 0

Answer:

answer is in the box. I hope that helps! :)

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at a museum, a model of a rocket is 3 feet high. the model has a scale of 1 foot to 121 feet. the museum manager will create a n
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Answer:

0.79 ft ≈ For 30 feet

Step-by-step explanation:

This is even a tricky question for me, I am pretty sure this would be around 0.79 feet. But I am not too sure so I am very sorry if I am incorrect.

I hope this helps, if it doesn't then just message me and ill be more than happy to help :)

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2 years ago
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Calculate the present value. (Round your answer to two decimal places.)
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30,000*16
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8 0
3 years ago
In a reliability test there is a 42% probability that a computer chip survives more than 500 temperature cycles. If a computer c
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Answer:

The probability is P(B' n A ' ) =  16%

Step-by-step explanation:

From the  question we are told that  

     A  is the event that  the chip was "made by company A"

      B is  the event that a chip "survives 500 temperature cycles"

    The probability that a computer chip survives more than 500 temperature cycles is

     P(B) = 42% = 0.42

 The  probability that does not survive more than 500 temperature cycles and  it was manufactured by company A is  P(A | B' ) =  0.73

The probability that the  computer chip is not manufactured by company A and does not survive more than 500 temperature cycles is mathematically evaluated as

      P(B' n A ' ) =  P (B' | A' ) P(B ')

Where B' \ and \   A' are a A and B complements and  | represented AND operator  

  So  

        P(B' n A ' ) = [1 -  P (B' | A )] [1 - P(B )]

substituting values

         P(B' n A ' ) = [1 -  0.73] [1 - 0.42 ]

        P(B' n A ' ) = (0.27 )(0.58)

        P(B' n A ' ) =0.16

        P(B' n A ' ) =  16%

7 0
3 years ago
Dan bought 6 new baseball trading cards to add to his collection. The next day, his dog ate half of his collection. There are no
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Answer:

50 cards

Step-by-step explanation:

28*2= 56

56-6=50

3 0
2 years ago
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A group of students wants to determine the favorite snack food at their school. They know they should use a sample because the s
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