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marysya [2.9K]
3 years ago
14

Please help me with this one and explain to me how you found the answer

Mathematics
1 answer:
Aneli [31]3 years ago
5 0

Answer:

i believe its a square :)

Step-by-step explanation:

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Which of the following sets are closed under multiplication? Select all that apply.
ivolga24 [154]

Answer:

Integers, whole numbers and polynomials are sets of closed under multiplication.

Only Irrational numbers are not the sets of closed under multiplication.                  

Step-by-step explanation:

To find : Which of the following sets are closed under multiplication?

1. Integers  

Yes, integers is a sets of closed under multiplication as if you multiply an integer by an integer, you will always get another  integer.

Example - 3\times 3=9 is an integer

2. Irrational numbers


No, irrationals are not closed under multiplication.

Example - \sqrt{3} \times \sqrt{3} =3 is a rational number

3. Whole numbers


Yes, whole numbers is a sets of closed under multiplication as if you multiply a whole number by a whole number, you will always get another  whole number.

Example - 5\times 5=25 is a whole number

4. Polynomials

Yes, polynomial is sets of closed under multiplication as if you multiply the variables' exponents are added, and the exponents in polynomials are whole numbers so the new exponents will be whole numbers.

Example - (x + 1)(x^2 + 4x + 3) = x^3 + 5x^2 + 7x + 3 is a polynomial.


4 0
3 years ago
Read 2 more answers
A boy has 3 red , 6 yellow and 5 green marbles. In how many ways can the boy arrange the marbles in a line if:All marbles have d
Alenkasestr [34]

Answer: 8.72*10^10

Step-by-step explanation:

Total number of balls = 14

Now,

Make 14 lines.

_ _ _ _ _ _ _ _ _ _ _ _ _ _

In the first position, you can choose any ball from 14 balls. So,

14 _ _ _ _ _ _ _ _ _ _ _ _ _

In the second position, you can choose any ball from 13 balls. This is because you've already kept one ball in first position. So,

14 13 _ _ _ _ _ _ _ _ _ _ _ _

In the third position, you can choose any ball from 12 balls. So,

14 13 12 _ _ _ _ _ _ _ _ _ _ _

Do this until you fill all the place.

14 13 12 11 10 9 8 7 6 5 4 3 2 1

Multiply all of this.

14 *13 *12 *11 *10 *9 *8 *7 *6 *5 *4 *3 *2 *1

= 8.72*10^10

5 0
3 years ago
3x+10 greater than 30<br><br> what is x?
Mekhanik [1.2K]

Answer:

x>6.67

Step-by-step explanation:

3x+10>30

3x>30-10

3x>20

x>20/3

x>6.67

5 0
2 years ago
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Equation of a straight line that passes through the points (4,2) and (2,3).?​
Elodia [21]
Banana fanafa foody 11
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3 years ago
Which expressions are equivalent to -3(2w+6)-4
vagabundo [1.1K]

Answer:

B

Step-by-step explanation:

Am equivalent expression would be 2(-3w+(-11))= -6w-22

Sorry for my first answer

Mark wishing brainliest

3 0
3 years ago
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