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Evgen [1.6K]
3 years ago
6

Plz helppp I don’t understand

Mathematics
1 answer:
Dmitrij [34]3 years ago
4 0

Answer:

5+x=-4, =9

Step-by-step explanation:

5+x=-4 Write equation

-5    -5 Subtract 5 from both sides to isolate x

 +x=-9

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Consider the sets below. u = {x | x is a real number} a = {x | x is an odd integer} r = {x | x = 3, 7, 11, 27} is r ⊂ a?
-BARSIC- [3]

The correct option is (B) yes because all the elements of set R are in set A.

<h3>What is an element?</h3>
  • In mathematics, an element (or member) of a set is any of the distinct things that belong to that set.

Given sets:

  1. U = {x | x is a real number}
  2. A = {x | x is an odd integer}
  3. R = {x | x = 3, 7, 11, 27}

So,

  • A = 1, 3, 5, 7, 9, 11... are the elements of set A.
  • R ⊂ A can be understood as R being a subset of A, i.e. all of R's elements can be found in A.
  • Because all of the elements of R are odd integers and can be found in A, R ⊂ A is TRUE.

Therefore, the correct option is (B) yes because all the elements of set R are in set A.

Know more about sets here:

brainly.com/question/2166579

#SPJ4

The complete question is given below:
Consider the sets below. U = {x | x is a real number} A = {x | x is an odd integer} R = {x | x = 3, 7, 11, 27} Is R ⊂ A?

(A) yes, because all the elements of set A are in set R

(B) yes, because all the elements of set R are in set A

(C) no because each element in set A is not represented in set R

(D) no, because each element in set R is not represented in set A

8 0
1 year ago
The product of five and a number, increased by 9 is equal to fifteen less than three times then
bonufazy [111]

Answer:

x = -12

Step-by-step explanation:

Let x be the number.

The product of 5 and x increased by 9 is equal to 15 less than 3 times x.

5x + 9 = 3x - 15.

We can isolate x, getting (5-3)x = -15-9

Then we can solve:

2x = -24

x = -12.

8 0
3 years ago
Is 1 1/4 closer to 1 or 2?​
stira [4]

Answer:

It is closer to 1.

Step-by-step explanation:

Think about this:

1 1/4 is 1/4 closer to one.

1 1/4 is 3/4 closer to two.

3 0
2 years ago
Read 2 more answers
What is the answer for r if the equation is
Vlad [161]

9514 1404 393

Answer:

  r = √(V/(πh))

Step-by-step explanation:

To solve for r, "undo" what has been done to r. The "undo" is generally in the reverse order. Here, we have ...

  • r is squared
  • the square is multiplied by πh

To undo these operations, we ...

  V/(πh) = r² . . . . . . . . divide by πh

  √(V/(πh)) = r . . . . . . take the square root

  r = √(V/(πh))

7 0
3 years ago
It takes Cindy 3/4 of an hour to complete a puzzle how many puzzles can Cindy finish in three hours
valina [46]

Answer:

She can finish 4 puzzles.

Step-by-step explanation:

3/4+3/4=1 1/2

1 1/2+ 1 1/2= 3(hours)

That means that there are four 3/4s and that also means she does 4 puzzles in 3 hours.

Hope this helps!^_^

3 0
3 years ago
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