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lina2011 [118]
3 years ago
14

Help again!!! answer this

Mathematics
2 answers:
nikklg [1K]3 years ago
8 0
The answer is 7.
x + 8 + 2x - 5 = 10 + 14
x + 8 + 2x - 5 = 24
                + 5 = +5
 x +8 + 2x = 29
     -8             -8
x + 2x = 21
put the x's together
3x = 21
divide
x= 7
 

check 3 x 7 = 21
Arte-miy333 [17]3 years ago
6 0
Same rule as the last problem I solved:
\frac{x + 8}{10}  =  \frac{2x - 5}{14}  \:  \: ... \: cross - multiply \\ 14(x + 8) = 10(2x - 5) \\ 14x + 112 = 20x - 50 \\  - 6x =  - 162
- 6x =  - 162 \\   \frac{ - 6x}{ - 6}  =   \frac{- 162}{ - 6}  \\ x = 27

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2 years ago
54% in simplest form
Papessa [141]
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4 0
3 years ago
Read 2 more answers
Determine the probability of a negative result for a batch of size 10 if the positivity rate
Vlad1618 [11]

The probability of a negative result for a batch will be "0.3487".

Given values are:

Positivity rate,

  • p = 10% or, 0.1

Batch size,

  • n = 10

Now,

The probability of negative result will be:

→ P (batch \ negative) = (1-p)^n

By substituting the values, we get

→                               =(1-0.1)^{10}

→                               = (0.9)^{10}

→                               = 0.3487

Thus the answer above is right.

Learn more about the probability here:

brainly.com/question/17927863

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2 years ago
May I please receive help?
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Answer:

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