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Kobotan [32]
2 years ago
5

find the ninth term of the geometric sequence, given the first term and the common ratio: a1=1, r=-1/3

Mathematics
1 answer:
olasank [31]2 years ago
3 0

Answer:

0.0001524

Please Mark Brainliest If This Helped!

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100 Points! What are the classifications of each system?
alexdok [17]

Answer:

Part 1) Is a inconsistent system

Part 2) Is a consistent independent system

Part 3) Is a consistent dependent system

see the attached figure

Step-by-step explanation:

we know that

If a system has at least one solution, it is said to be consistent .  

If a consistent system has exactly one solution, it is independent .  

If a consistent system has an infinite number of solutions, it is dependent

If a system not have solution, it is said to be inconsistent

Part 1) we have

x+5y=-2\\x+5y=4

This system of linear equations has two parallel lines (their slopes are equal) with different y-intercept

so

The lines don't intersect

The system has no solution

therefore

Is a inconsistent system

Part 2) we have

y=3x+4\\-2x+y=4

we know that

If two lines have different slopes, then the lines intersect at one point and the system of equations has one solution

In this problem, the lines have different slopes (m=3 and m=2)

so

The lines intersect at one point

The system has one solution

therefore

Is a consistent independent system

Part 3) we have

3x+y=4 ----> equation A

-6x-2y=-8 ----> equation B

Multiply equation A by -2 both sides

-2(3x+y)=-2(4)

-6x-2y=-8 ----> equation C

Compare equation B and equation C

Are identical lines

so

The system has infinity solutions

therefore

Is a consistent dependent system

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3 years ago
Describe how you would find how much grass seed is needed to cover a triangular plot of land
Papessa [141]

Answer: it the area of it

Step-by-step explanation:

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3 years ago
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elena-s [515]
You take the difference so 1200-1068=132 and then you take the original divided by the difference so 1200/132 so it would be 9.09%
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A part of the real number line is shown.
umka2103 [35]
Its R
you can just see in figure as square root of 50 is approximately around 7.07
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Oh it helps because a zero could count as a number when you write it down but it doesn't seem that way when u say it
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