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oee [108]
3 years ago
13

.736 rounded to the nearest tenth

Mathematics
1 answer:
drek231 [11]3 years ago
7 0
The answer would be 700
becuase 3 is to little
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What is the solution to the system of equations?use the linear combination method
galina1969 [7]
The 2 equations are 
-2x + y = -17 ---1)
3x + y = 23 ---2)
we need to have the same coefficient for one of the variables.
Already y variable has the coefficient of 1 for both equations so we can use the equations  as it is. 
2) - 1) subtract 1) from 2)
3x-(-2x) + y -y = 23-(-17)
5x = 40
x = 8
substituting x = 8 in the 2nd equation 
3*8 + y = 23
24 + y = 23
y = -1

solution - (8,-1)

3 0
3 years ago
With one method of a procedure called acceptance sampling, a sample of items is randomly selected without replacement and the en
mrs_skeptik [129]

Answer:

0.9167 = 91.67% probability that the entire batch will be accepted

Step-by-step explanation:

The CDs are chosen without replacement, which means that the hypergeometric distribution is used.

Hypergeometric distribution:

The probability of x sucesses is given by the following formula:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

In which:

x is the number of sucesses.

N is the size of the population.

n is the size of the sample.

k is the total number of desired outcomes.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

2100 write-rewrite CDs, and 60 are defective.

This means, respectively, that N = 2100, k = 60

3 of these CDs are randomly selected for testing

This means that n = 3

What is the probability that the entire batch will be accepted?

Probability of none defective, so P(X = 0).

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

P(X = 0) = h(0,2100,3,60) = \frac{C_{60,0}*C_{2040,3}}{C_{2100,3}} = 0.9167

0.9167 = 91.67% probability that the entire batch will be accepted

5 0
2 years ago
50 POINTS REWARD!! <br> please answer all of the following questions correctly:
Pani-rosa [81]

\frac{3x-2}{x^{2}-2x-3}  -\frac{1}{x-3}

factorising the first denominator

x²-2x-3 = x² -3x+x-3 = (x+1)(x-3)

(a) \frac{3x-2}{(x+1)(x-3)} - \frac{1}{x-3}

finding LCD

(b) LCD of (x-3)(x+1) and (x-3) is (x-3)(x+1)

(c)

\frac{3x-2}{(x-3)(x+1)} -\frac{x+1}{(x-3)(x+1)}

(d)

\frac{3x-2-(x+1)}{(x-3)(x+1)}

\frac{3x-2-x-1}{(x-3)(x+1)}

\frac{2x-3}{(x-3)(x+1)}

5 0
3 years ago
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What is an equivalent fraction to 3/10
ollegr [7]

Answer:

0.3

Step-by-step explanation:

3/10=0.3

4 0
3 years ago
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I don't even know what I'm soposto do
seropon [69]
Its A or C because Angle AEC has to be bigger then 90 degrees
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3 years ago
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