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algol13
1 year ago
5

Solve for x. 9(x+1)=25+x x=2 0x=3 O x=4 O x=5

Mathematics
2 answers:
aleksandr82 [10.1K]1 year ago
3 0

Step-by-step explanation:

9(x+1) = 25+x

open the bracket

9x + 9 = 25+x

collect like terms

9x-x = 25-9

8x = 16

x = 2

ahrayia [7]1 year ago
3 0

Answer:

x = 2

Step-by-step explanation:

9(x + 1) = 25 + x ← distribute parenthesis on left side

9x + 9 = 25 + x ( subtract x from both sides )

8x + 9 = 25 ( subtract 9 from both sides )

8x = 16 ( divide both sides by 8 )

x = 2

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2 years ago
A fair coin is tossed 20 times. The probability of getting the three or more heads in a row is 0.7870 and the probability of get
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Answer:

The  value is  P( H \  n \  T ) =  0.6049

Step-by-step explanation:

From the question we are told that

   The  number of times  is  n  =  20  

   The probability of getting three or more heads in a row is  P(H) =  0.7870

   The probability of getting three or more heads in a row or three or more tails in a row is    P(H \ u \   T )  =  0.9791

Generally given that it is a fair coin , then   P(H) = P(T) =  0.7870

Here  P(T) is  probability of getting three or more tails  in a row

Generally  the probability of getting three or more heads in a row and three or more tails in a row is mathematically represented as

        P( H \  n \  T ) =  P(H) + P(T) -  P( H \  u \  T )

=>   P( H \  n \  T ) =  0.7870  + 0.7870 -  0.9791

=>   P( H \  n \  T ) =  0.6049

 

7 0
2 years ago
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Answer:

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Step-by-step explanation

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