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wel
3 years ago
9

For each of these intervals, list all its elements or explain 2.1 Sets 131 why it is empty. a) [a,a] c) (a, a] e) (a,b), where a

> b b) [a,a) d) (a, a) f) [a,b],wherea>b
Mathematics
1 answer:
stepan [7]3 years ago
6 0

Answer: b

Step-by-step explanation:

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The United States has a total area of 3,796,742 square miles.
Dvinal [7]

Answer:

4 * 10^6

Step-by-step explanation:

3,796,742 is about 4,000,000

4 * 10^? = 4,000,000

4 to 4,000,000 is an extra 6 zeroes

? = 6

4 * 10^6

4 0
2 years ago
11. Give two examples of each type of number: real, natural, integers, rational and irrational.
zaharov [31]

Answer:

real:√2, 3,-1, 1/2 etc

natural: 1,2,3,4,5,6.....(0 is not included)

integers:. .............-4,-3,-2,-1,0,1,2,3,4........ etc

rational: nos. which are in p/q form

:1/2,3/4,4/9 etc

irrational: nos. which cannot be written in p/q form

: √2,√3... etc

irrational: √2, √3, √5, √11, √21, π(Pi)

7 0
2 years ago
Find the slope of the graph of the equation
sammy [17]

Answer:

y=-1/2x+2

Step-by-step explanation:

slope is -1/2 beware this is a negitive slope so it goes down like this \

go one up and go to the left 2 times and connect the dots

6 0
2 years ago
What is the perimeter of the figure
jonny [76]
The perimeter of the shape is 30 add all the sides
3 0
3 years ago
Find the y intercept of the straight line with the following equations y=7+3x <br><br>3y=6x+12
neonofarm [45]

y = 7 + 3x

y = 3x + 7

y = mx + b, therefore the y-intercept is 7.


3y =  6x + 12

y = 2x + 4

y = mx + b, therefore the y-intercept is 4.

8 0
3 years ago
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