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vladimir1956 [14]
3 years ago
10

Find the common ratio of the geometric sequence -1, -9, -81,...−1,−9,−81,

Mathematics
1 answer:
Leona [35]3 years ago
8 0

Answer:

Geometric

Common ratio = 3

Step-by-step explanation:

3,9,27,81 is geometric because there is a common ratio.

We know there is a common ratio because a term divided by it's previous term is the same each time.

That is

81/27=3

27/9=3

9/3=3.

So the common ratio is 3.

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What’s the answer to this question?
jeka57 [31]

Answer:

x=9

adjacent angles

Step-by-step explanation:

we can set up an equation because if we add these angles, we will get our 90 degree angle,

(4x+6)+(5x+3)=90   lets solve for x, first add like terms,

9x+9=90,   subtract 9 from both sides,         9x+9-9=90-9,      9x=81

divide both sides by 9 and we get 9, so x=9

These are adjacent angles because adjacent angles are angles that are right next to each other. They can form a bigger angle because they are right next to each other

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Answer:

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Step-by-step explanation:

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Read 2 more answers
Graph y=8.5xy=8.5xy, equals, 8, point, 5, x.
Morgarella [4.7K]

Answer:

  • A, B, E

Step-by-step explanation:

<u>Given equation</u>

  • y = 8.5x

<u>Answer choices</u>

A. The equation represents a proportional relationship.

  • TRUE, it is in the form of y = kx

B. The unit rate of change of y with respect to x is 8.5

  • TRUE, y = mx + b, the slope m = 8.5 is the rate of change

C. The slope of the line is 2/17

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D. A change of 17 units in x results in a change of 2 units in y.

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3 years ago
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