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pantera1 [17]
3 years ago
12

2. Find the value of x.

Mathematics
1 answer:
Marianna [84]3 years ago
4 0

Answer:

x = 3

Step-by-step explanation:

You can see that 5x - 7 and 2x + 2 are equal to each other due to the arrows pointing to both angles. Therefore allowing you to set up the following equation..

5x - 7 = 2x = 2

Therefore you can then simplify for the value x where you should get teh value 3.

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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
GuDViN [60]

Answer:

P = 0.1447

Step-by-step explanation:

Given

n = 7000 -- total

d = 180 --- defective

r = 6 --- selected

Required

The probability of rejecting the batch

This means that at least one of the selected piece is defected.

So, we first calculate the probability that all the selected piece are accepted.

So, we have:

Pr = \frac{7000 - 180}{7000} * \frac{6999 - 180}{6999}* \frac{6998 - 180}{6998}* \frac{6997 - 180}{6997}* \frac{6996 - 180}{6996}* \frac{6995 - 180}{6995}

The denominator decreases by 1 because it is a probability without replacement; 180 is subtracted from the numerator to represent the number of non-defective CDs

So, we have:

Pr = \frac{6820}{7000} * \frac{6819}{6999}* \frac{6818}{6998}* \frac{6817}{6997}* \frac{6816}{6996}* \frac{6815}{6995}

Pr = 0.8553

Using the complement rule, the probability that the batch will be rejected is:

P = 1 - 0.8553

P = 0.1447

8 0
2 years ago
Write this as a power of 2. ex ( 2^n) requires knowledge of negative exponents
Snowcat [4.5K]

Answer:

<h3>22.627417</h3>

Step-by-step explanation:

\frac{32}{ \sqrt[8]{16} }  \\

Simplify

\frac{32}{1.414213562}  \\   \\ = 22.627417

Method 2 :

By rationalizing the denominator

7 0
2 years ago
15 yd<br> 19 yd<br> Area = <br> Parallelogram
jenyasd209 [6]

15*19=285

base times height is the formula

5 0
2 years ago
5x^(2)+2 in verbal form
USPshnik [31]

Answer:

Five x squared plus two

Step-by-step explanation:

An exponent of two is always pronounced as "squared"

8 0
3 years ago
Mrs. Post bought a carton of eggs containing 24 eggs to use for cookies. When she got home 3 were broken. What percent of the eg
Kitty [74]

Answer:

12.5%

Step-by-step explanation:

Take the number of eggs that were broken over the total number of eggs

3/24

1/8

As a decimal

.125

Change to percent form

12.5%

8 0
3 years ago
Read 2 more answers
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