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kodGreya [7K]
3 years ago
14

Tell whether the following set is an empty set or not.

Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
7 0

Answer:

It is not an empty set

Step-by-step explanation:

A quadrilateral with 3 obtuse angles is possible.

A obtuse angle has a measure of more than 90 degrees and less than 180 degrees.

Let’s say three angles are measuring 91 degrees in a quadrilateral.

91 + 91 + 91 + x = 360

x = 87

The measure of the fourth angle is 87 degrees which is less than 360 degrees and is a positive integer, so it is possible.

igor_vitrenko [27]3 years ago
4 0

Answer:

It is not an empty set

Step-by-step explanation:

Obtuse angles are angles greater than 90 and less than 180.

There are quadrilaterals having 3 obtuse angles and they are possible.

If we imagine 3 obtuse angles of 91 degrees (obtuse angle), the 4th angle will be

360-91-91-91

=> 87 degrees

So, This quadrilateral can be constructed!

And also with 92, 93, 94 and so on!

So, Set A is not an empty set!

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Write 2350 million in standard form?
Elis [28]

Answer:

2.35 × 10^(9)

Step-by-step explanation:

2350 million can also be written as;

2350,000,000

Writing that expression in standard form gives;

2.35 × 10^(9)

6 0
3 years ago
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HEL ME PLEEAASSEE AMIGO PLEEAASSEE or amiga
podryga [215]

Answer:

159 degrees

Step-by-step explanation:

A full semicircle (or half circle) has a degrees of 180. And x is equal that semicircle so x = 180, now if we subtract 21 from 180 we get 159, so X = 159.

7 0
3 years ago
What is the equation of a circle with center (-3,-5) and radius 4?
kobusy [5.1K]

Answer:   D) (x + 3)² + (y + 5)²  = 16

<u>Step-by-step explanation:</u>

The equation of a circle is: (x - h)² + (y - k)² = r²    

where (h, k) = center   and    r = radius

Given: (h, k) = (-3, -5)  r = 4

Equation: (x - (-3))² + (y - (-5))² = 4²

                 (x + 3)²  +  (y + 5)²  = 16

8 0
4 years ago
Jillian and Sara are sisters. Jillian is older than Sara by 3 years.
marta [7]

Answer:

I think it's 3. s+3

Step-by-step explanation:

This question is weird! :\

5 0
3 years ago
Read 2 more answers
I’m confused on this one
Yakvenalex [24]

It would be 10 inches. The length of WZ would usually be stated as the diameter in these cases. As you can see in the picture, 5 inches is our radius and the diameter equals the radius times two (2r or the radius doubled) to give the diameter. 5 x 2 = 10, and 10 would be the answer.

If you liked my answer, make sure to leave a brainliest!

4 0
4 years ago
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