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lubasha [3.4K]
3 years ago
12

Determine the common ratio and find the next three terms of the geometric sequence i, -1, -i

Mathematics
1 answer:
Sergio [31]3 years ago
6 0
The common ratio of the given terms in the geometric sequence is that number which is the answer derived from dividing the second term by the first term and the third term by the second term. In this item, the value of r (common ratio) is as calculated below.

 In this item, we should be mindful that i = sqrt (-1). The ratio is,

    r = (√-1)(√-1)/(√-1) = -1 (√-1)/-1 = √-1 

For the next three terms,

   n₄ = (-1)(√-1) = -i
   n₅ = (-i)(√-1)) = 1
   n₆ = (1)(√-1) = i

Thus, the next three terms are -1, 1, and i, respectively. 
   
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Answer:

80 markers

Step-by-step explanation:

Set it up as an equation.

markers/erasers 5/2=x/32

Cross multiply to get 160=2x

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A ribbon measure 4.5 meters express length to millimeters<br>​
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Step-by-step explanation:

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Which graph best represents the following situation?
hichkok12 [17]

Answer:

The correct option is D. The situations x increases, y decreases; r= -0.41 is represented by Graph D.

Step-by-step explanation:

Given information: x increases, y decreases; r= -0.41.

Here r represents the correlation between two variables x and y.

If r is close to -1, then it is strong negative correlation.

If r is close to 1, then it is strong Positive correlation .

If r is close to -0.5, then it is weak negative correlation.

If r is close to 0.5, then it is weak positive correlation .

If r=0, then there is no correlation between x and y.

In graph A,  x increases, y decreases and r is close to -1 because it is strong negative correlation.

Therefore option A is incorrect.

In graph B,  x increases, y increases and r is close to 0.5 because it is weak positive correlation.

Therefore option B is incorrect.

In graph C,  x increases, y increases and r is close to 1 because it is strong positive correlation.

Therefore option C is incorrect.

In graph A,  x increases, y decreases and r is close to -0.5 because it is weak negative correlation.

Therefore option D is correct.

4 0
3 years ago
Read 2 more answers
(WILL GIVE BRAINLYIST IF ANSWER IS RIGHT!)
d1i1m1o1n [39]

Answer:

The answer is 1 and 4

Step-by-step explanation:

.25 x 4y = Y

36 divided by 4 = 9

6 0
3 years ago
For the following right triangle, find the side length x. Round your answer to the nearest hundredth.
tia_tia [17]
<h3>Answer:  6.93</h3>

Work Shown:

Use the pythagorean theorem to find x

a^2 + b^2 = c^2

x^2 + 11^2 = 13^2

x^2 + 121 = 169

x^2 = 169 - 121

x^2 = 48

x = sqrt(48)

x = 6.92820323027551

x = 6.93

5 0
3 years ago
Read 2 more answers
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