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3 years ago

8(u-5)=8•u-8•5 identify the properties of real numbers illustrated by each statement

Mathematics

1 answer:

Nadya [2.5K]3 years ago

3 0

Answer:

I think this is the answer you are looking for.

Step-by-step explanation:

Any value of u makes the equation true. All real numbers

Interval Notation: ( − ∞ , ∞ )

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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

3 years ago

In Exercises 1 and 2, identify the bisector of ST. Then find ST.

Lemur [1.5K]

Given:

A bisector is a line or point that divides a line in half. So point M is in the middle of the entire line ST.

The bisector would be the line MW

This means line MT is half of the enitre line ST so then the entire line is 19*2.

Answer:

ST = 38

Bisector is line MW

3 0

1 year ago

What is the value of (10 x 0.5) squared + 4 cubed?

kotegsom [21]

First set up the equation:
$(10*0.5)^{2}$ + $4^{3}$

Now solve the ones in the parenthesis:
$5^{2}$ + $4^{3}$

Then do the exponents:
25+64

The answer will be: 89

Hope this helps!

4 0

3 years ago

Read 2 more answers

What is the vertex of a parabola defined by the equation x = 5y2?

QveST [7]

Find the critical points of f(y):Compute the critical points of -5 y^2
To find all critical points, first compute f'(y):( d)/( dy)(-5 y^2) = -10 y:f'(y) = -10 y
Solving -10 y = 0 yields y = 0:y = 0
f'(y) exists everywhere:-10 y exists everywhere
The only critical point of -5 y^2 is at y = 0:y = 0
The domain of -5 y^2 is R:The endpoints of R are y = -∞ and ∞
Evaluate -5 y^2 at y = -∞, 0 and ∞:The open endpoints of the domain are marked in grayy | f(y)-∞ | -∞0 | 0∞ | -∞
The largest value corresponds to a global maximum, and the smallest value corresponds to a global minimum:The open endpoints of the domain are marked in grayy | f(y) | extrema type-∞ | -∞ | global min0 | 0 | global max∞ | -∞ | global min
Remove the points y = -∞ and ∞ from the tableThese cannot be global extrema, as the value of f(y) here is never achieved:y | f(y) | extrema type0 | 0 | global max
f(y) = -5 y^2 has one global maximum:Answer: f(y) has a global maximum at y = 0

3 0

3 years ago

PLAESE HELP ASAP!!!!

vovikov84 [41]

11 5/8 + 9 1/2= 21 1/8
3/4 - 2/5= 7/20
4 5/6 - 2 1/2= 2 1/3
I think these are right, I apologize if they are wrong.

5 0

3 years ago

Read 2 more answers