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galina1969 [7]
3 years ago
8

Which statement is always true?

Mathematics
1 answer:
Ugo [173]3 years ago
8 0
The product of two rational numbers is rational is the correct answer
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What is the solution set of{x|X<-3} n {xl x> 5)?
dsp73

Answer:

C) Solution set of{x|X<-3} n {xl x> 5) is an the empty set.

Step-by-step explanation:

Here, the solution set is given as : set of  {x| x < -3 } ∩   {x l x > 5)

Now, defining the each set , we get

{x| x < -3 }   = ( .... -6,-5,-4 ,-3)  = P

and the SET  {x l x > 5} = (5,6,7,........ )  = Q

Now, by taking the intersection of two sets,we get

P ∩ Q = NULL SET as they don not have any element in common.

⇒ {x| x < -3 } ∩   {x l x > 5} is an empty set

Hence, solution set of{x|X<-3} n {xl x> 5) is an the empty set.

6 0
3 years ago
Help me please I have no idea how to do this
Alexxx [7]

its b because if you multiply 3 x 6 you get 18 which is outside the radical

7 0
3 years ago
Asap need help please !!!!!!!!!!
lutik1710 [3]
Hamid's normal weight is 80 kg.
4 0
3 years ago
How do you make both sides equal?<br><br> 5h + 20 = 3h
3241004551 [841]

Answer:

h = -10.

Step-by-step explanation:

They will be equal for a specific value of h.

Solve for h:

5h + 20 = 3h

5h - 3h = -20

2h = -20

h = -10.

Checking:

Left side = 5(-10) + 20 = -30.

Right side =  3*-10 = -30.

4 0
3 years ago
.753 repeating as a fraction
Sati [7]

Answer:

.753 is not repeated it doesn't show any sign of repeating it terminates

Step-by-step explanation:

it because dosen't have bar notion or repeated numbers so it terminates.

8 0
2 years ago
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