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Contact [7]
3 years ago
11

Can someone explain interval notations? Also, How do you figure them out?

Mathematics
1 answer:
sergeinik [125]3 years ago
8 0

A notation for representing an interval as a pair of numbers. The numbers are the endpoints of the interval. Parentheses and/or brackets are used to show whether the endpoints are excluded or included.

For example, [3, 8) is the interval of real numbers between 3 and 8, including 3 and excluding 8.


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For the following geometric sequence find the recursive formula and the 5th term in the sequence. In your final answer, include
bulgar [2K]
We have a geometric sequence----------- > <span>{-4, 12, -36, ...}
</span><span>
the formula is a(r)^(n-1)

a------------- >a is the first term------------ > -4
r--------------- > </span><span>is the common ratio------- > 12/(-4)=(-36/12)=-3
n--------------- > is the number of terms

</span>The fifth term is -4[(-3)^(5-1)]=-4[(81]=-324

the answer is -324
3 0
3 years ago
Read 2 more answers
P+8&gt;-4 what do x equal
Brrunno [24]

Answer:

P=-12

Step-by-step explanation:

P+8>-4

-8>-8

________

0> -12

P=-12

have a nice day

4 0
3 years ago
A line passes through the points (p, a) and (p, –a) where p and a are real numbers and p ≠ 0. Describe each of the following. Ex
Helen [10]
<span> line passes through the points (p, a) and (p, –a)
where p and a are real numbers and p ≠ 0
(p, a) and (p, –a) m = Cannot divide by ZERO, there is no slope to this Line.
slope of the line: no slope (does not exist)
equation of the line: x = p Perpendicular Line
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8 0
3 years ago
I'll give brainliest this is due soon so yeahmPLSSSSSSSSS
lora16 [44]

Answer:

He pays taxes on the amount after the discount. So 10% of $40.50 versus $45.

Step-by-step explanation:

10% on $40.50 = $4.05

10% on $45.00 = $4.50

4 0
3 years ago
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The Sum if two numbers is 54. The difference of the two numbers is 116. Find the numbers​
ziro4ka [17]

Answer:

the numbers are 85 and -31.

Step-by-step explanation:

first, let the numbers be x and y.

so by question we have,

x+y=54.......(I)

x-y=116......(I I)

now, solve it through elimination method,

x+y=54

x-y=116

here, y and y cancelled out and we get,

or, x+x=54+116

or, 2x=170

or, x=170/2

therefore, x=85

now put value of x in any equation. let's put in eqn (I), we get,

or, x+y=54

or,85+y=54

or, y=54-85

so, y= -31

therefore, the numbers are 85 and - 31.

7 0
3 years ago
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