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Salsk061 [2.6K]
4 years ago
10

A = {1, 2, 5, 7}B = {3, 4, 6, 7}C = {0, 5, 8, 9}

Mathematics
2 answers:
Volgvan4 years ago
5 0

Answer:5555555555555555555

Step-by-step explanation:

Feliz [49]4 years ago
3 0

A U B = {1, 2, 3, 4, 5, 6, 7}

Step-by-step explanation:

  • Step 1: Find A U B. Union of two sets A and B are the set of all elements in set A and set B.

A = {1, 2, 5, 7} and B = {3, 4, 6, 7}

A U B = {1, 2, 3, 4, 5, 6, 7}

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stiv31 [10]

Your answer should be A.

3 0
3 years ago
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Tìm x a)<br> 4x^2-12x=-9
DaniilM [7]

Hi

Just told you :  first know by heart remarkable identities !  

Then apply :  

4x²-12x = -9

4x²-12x +9 =0

(2x-3)² = 0

(2x-3) (2x-3)  = 0

Now you have a double solution :

2x-3 = 0

and 2x -3 = 0

I let you try !

5 0
3 years ago
John works 40hrs a week getting paid $13.00 per hour. He gets paid weekly and gets taxed 22%. How much is his weekly check?
Charra [1.4K]

Answer:

$405.60

Step-by-step explanation:

40x13=520

520x.22= 114.4

520-114.4=405.60

6 0
3 years ago
A girl studied for 5 2/3 hours daily. She devotes 2 4/2 hours of her time for science and mathematics. How much time does she de
enot [183]

Given :

Number of hours studied daily , T=5\dfrac{2}{3} .

Time given for science and mathematics is , t=2\dfrac{4}{2} .

To Find :

How much time does she devote for other subjects .

Solution :

Let , time devote for other student is x .

So , Time left for other subject = Total time - Time taken by science and mathematics .

x=T-t\\\\x=5\dfrac{2}{3}-2\dfrac{4}{2}\\\\x=\dfrac{(5\times 3)+2}{3}- \dfrac{(2\times 2 )+4}{2}\\\\x=\dfrac{17}{3}-4\\\\x=\dfrac{17-(4\times 3)}{3}\\\\x=\dfrac{5}{3}=1\dfrac{2}{3}

Therefore , time devote for other subject is 1\dfrac{2}{3} hours .

Hence , this is the required solution .

8 0
4 years ago
Which of the following sentences could not be used to represent the equation x-5=-10?
melamori03 [73]

Answer:

A number less five equals negative ten

Step-by-step explanation:

sorry if it is wrong

hope it helped

8 0
3 years ago
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