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2 years ago

List the element of following set?

Mathematics

1 answer:

Mrac [35]2 years ago

7 0

Answer:

Below.

Step-by-step explanation:

a) A = {1, 2, 5, 10}

b) B = {1, 3, 5, 15}

c) A∩B = {1, 5} ( elements common to A and B).

d) A∪B = {1, 2, 3, 5, 10, 15} (total elements in A and B).

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3 years ago

A quality report for a production line shows a score of 59 points on a 65- point inspection test. A passing score is 95% complia

Sholpan [36]

Answer:

The line production did not pass inspection

Step-by-step explanation:

* Lets explain how to solve the problem

- To calculate the percentage of one number with respect to another

divide the number by the another number and multiply the answer

by 100 to convert the answer to percentage

- Ex: 15 people out of a total of 25 were female

the percentage of the female is $\frac{15}{25}*100%=60%$

* Lets solve the problem

- A quality report for a production line shows a score of 59 points on

a 65- point inspection test

- A passing score is 95% compliance

- We need to know did the production line pass inspection

∵ The score of the line production is 59 out of 65

∴ The percentage of the score = $\frac{59}{65}*100%=90.77%$

∴ The percentage of the line production is 90.77%

- The passing score is 95% compliance

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3 years ago

A lamp manufacturer uses 714 m of electrical cord each week. The cord comes on spools that hold 12 m each.

RoseWind [281]

I meant to put the number 19

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3 years ago

the difference between two numbers is 4. three times the smaller number is equal to two times the larger less two. find the numb

Doss [256]

The larger number is 10 and smaller number is 6.

Step-by-step explanation:

Given,

The difference between two numbers = 4

Let,

x be the larger number.

y be the smaller number.

According to given statement;

x-y=4 Eqn 1

3y=2x-2 Eqn 2

Multiplying Eqn 1 by 3

$3(x-y=4)\\3x-3y=12\ \ \ Eqn\ 3$

Putting value of 3y from Eqn 2 in Eqn 3

$3x-(2x-2)=12\\3x-2x+2=12\\x=12-2\\x=10$

Putting x = 10 in Eqn 2

$3y=2(10)-2\\3y=20-2\\3y=18$

Dividing both sides by 3

$\frac{3y}{3}=\frac{18}{3}\\y=6$

The larger number is 10 and smaller number is 6.

Keywords: linear equation, substitution method

Learn more about substitution method at:

#LearnwithBrainly

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3 years ago

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Answer:

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3 years ago

List the element of following set?​

List the element of following set?