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Amanda [17]
3 years ago
12

Help me i am having trouble

Mathematics
1 answer:
trasher [3.6K]3 years ago
7 0
Yes the slope is one fourth.
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A butcher $32 for X pounds of beef ribs. Which expression represents the price per pound?
Lera25 [3.4K]

Answer:

The expression $32/x represents the price per pound.

Step-by-step explanation:

Given:

$32 for X pounds of beef ribs.

Now, the symbol which represents the per is this →  / .

So, $32/x shows the expression for the price per pound.

Therefore, the expression $32/x represents the price per pound.

4 0
3 years ago
How many zeros in this measurement 0.050 060 are significant?
kogti [31]
There are a total of 3 zeros in this measurement that are significant.
3 0
3 years ago
10. A random sample of 10 fibers is taken from a collection of 92 fibers that consists of 43 fibers of polymer A, 17 fibers of p
vazorg [7]

Answer:

0.1150 = 11.50% probability that the sample does not contain any fibers of polymer B

Step-by-step explanation:

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)!}

In this question:

Fibers are chosen without replacement, which means that we use the hypergeometric distribution.

92 fibers means that N = 92

Sample of 10 means that n = 10

No polymeter B which means that x = 0

17 fibers of polymeter B which means that k = 17

a. What is the probability that the sample does not contain any fibers of polymer B

This is 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(0,92,10,17) = \frac{C_{17,0}*C_{75,10}}{C_{92,10}} = 0.1150

0.1150 = 11.50% probability that the sample does not contain any fibers of polymer B

4 0
2 years ago
Select the correct answer.
pishuonlain [190]

Answer:

C. The equation has two valid solutions and no extraneous solutions.

Step-by-step explanation:

See attached file for complete work.

Download pdf
4 0
2 years ago
Look at the information below. The sum of the measures of angle M and angle R is 90°. The measure of angle M is (5x + 10). The m
Degger [83]
Answer:

The second one makes the most sense
4 0
3 years ago
Read 2 more answers
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