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horsena [70]
3 years ago
13

Describe four different types of intervals that can exist on a number line.

Mathematics
2 answers:
Andru [333]3 years ago
7 0

The four different types of intervals that can exist on a number line are

1.→[a,b]-----Closed Interval

2.→(a,b)----Open Interval

3.→[a,b)----Semi Open Interval or Half closed or half open Interval

4.→(a,b]----Semi Open Interval or Half closed or half open Interval

kakasveta [241]3 years ago
3 0
Positive, negative,0
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Hi help me with this pls ​
Rudiy27

\huge \underline{ \pink{Answer}}

Refer to the attachments

Attachment (1)

B (1)

Attachment 2

B(2)

3 0
2 years ago
Factor 2x^2-4x-30 completely
Elza [17]
2x² - 4x - 30
2(x²) - 2(4x) - 2(15)
2(x² - 4x - 15)
4 0
3 years ago
Help this is due tomorrow!!!
r-ruslan [8.4K]

Answer:

V=4/3*3.14*r^3

V=4/3*3.14*3^3

V=113.1

Volume of Himiphere= Volume of sphere/2

113.1/2

V=56.6

Step-by-step explanation:

The answer is 56.6

4 0
2 years ago
Read 2 more answers
Tyrone wrote an equivalent expression for 28 + x - 2n + 7 - n - 5x + 4. His equivalent expression was -3n - 5x + 39 + x. What er
MA_775_DIABLO [31]

Answer with Step-by-step explanation:

We are given an expression:

28 + x - 2n + 7 - n - 5x + 4

We have to find its equivalent expression

On combining the like terms of the above expression

28+4+7+x-5x-2n-n

= 39-4x-3n

= -3n-4x+39

According to Tyrone the equivalent expression was:

-3n - 5x + 39 + x

The error Tyrone made was:

A. Tyrone neglected to combine the x terms

6 0
3 years ago
Read 2 more answers
NEED HELP HURRY ASAP FREE BRAINLIST
Tamiku [17]
It’s c.

5(how many tickets) x 2(cost of one ticket) equals 10. 25(total amount of money)- 10(how much money the tickets cost in total) equals 15(the entry fee)

10 (how many tickets) x 2(cost of one ticket) equals 20. 35(total amount of money)- 20(how much money the tickets cost in total) equals 15(the entry fee)
4 0
3 years ago
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