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3 years ago

Which of the following is correct set notation?

Mathematics

2 answers:

wel3 years ago

5 0

I thing is a None of the above

Marrrta [24]3 years ago

3 0

Answer: The correct option is

(C) {1, 2, 3}.

Step-by-step explanation: We are given to select the correct set notation from the following options :

Option (A) : The given notation is (1, 2, 3).

Here, the elements are enclosed within first brackets, which is not used to write a set.

So, this option is NOT correct.

Option (B) : The given notation is 1, 2, 3.

Here, the elements are not enclosed within any brackets. And, the elements of a set is always written within curly brackets.

So, this option is NOT correct.

Option (A) : The given notation is {1, 2, 3}.

Here, the elements are enclosed within curly brackets, separated by comma. Since this method is used while writing a set, so, this option is CORRECT.

Thus, (C) is the correct option.

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99999999900986544pphu

DiKsa [7]

b=135 because opposite angles of a parallelogram are congruent is correct because the angles are opposite each other in the parallelogram and congruent means equal so angle b must equal 135.

Hope this helps!!

5 0

3 years ago

Solve for x. x^3=8/125 Enter your answer in the box as a fraction in simplest form.

stepan [7]

x^3=8/125
x^3 = 2^3 / 5^3
x = 2/5

hope it helps

6 0

3 years ago

Read 2 more answers

1. Given GH = 7x + 3, HI= 3x - 5, and GI= 9x + 5. H G A. Find x: B. Find GH:

blsea [12.9K]

Answer:

$\boxed{\bf x=7}$

$\boxed{\bf GH= 52}$

Step-by-step explanation:

In the line segment..

$\bf 7x+3+3x-5=9x+5$

Combine like terms.

$\bf 10x-2=9x+5$

Add -2 to both sides.

$\bf 10x-2+2=9x+5+2$

$\bf 10x=9x+7$

Subtract 9x from both sides.

$\bf 10x-9x=9x+7-9x$

$\boxed{\bf x=7}$

$\bf GH=7x+3$

$\bf 7(7)+3$

$\bf 49+3$

$\boxed{\bf 52}$

6 0

3 years ago

What is a rectangle but not paraelogram

Otrada [13]

A parallelogram is a quadrilateral with 2 pairs of opposite, equal and parallel sides

6 0

4 years ago

Write inequalites to describe the region. The solid cylinder that lies on or below the z=8 and or above the disk in the xy-plane

Vladimir79 [104]

Answer:

x^2 + y^2 <= 4, 0 <= z <= 8

Step-by-step explanation:

Region that lies on/below the plane means Z<=8
Region that lies on/above the xy plane means Z>=0.

Combining 1 and 2, we get

0<=Z<=8

If we want disk of radius 2 in x-y plane to be centered at origin the inequality becomes:

x^2 + y^2 <= 4

8 0

3 years ago