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inna [77]
3 years ago
13

Find the ratio of the geometric sequence 11,99,891

Mathematics
1 answer:
nadya68 [22]3 years ago
8 0

Answer:

Ratio is 9

Step-by-step explanation:

Common ratio can be obtained by dividing second term by first term, third term by second term etc

Therefore

99/11 = 9

891/99 = 9

The common ratio is 9

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Ram noticed three students used 1 2/10 dm of tape.what was the total used for three students???
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Answer:

18/5

Step-by-step explanation:

<em>From my understanding, this is 1 whole 2 upon 10</em>

<u>Step 1: Convert mixed fraction into fraction</u>

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<em>Add numerator: 10 + 2 = 12</em>

<em>Write the result as the numerator and use the same denominator.</em>

12/10

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Step-by-step explanation:

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2 years ago
Solve the following system of equations:
Vladimir79 [104]

Answer:

<u><em>(-1,1)</em></u>

Step-by-step explanation:

We can solve this by either graphing and finding ther point the lines intersect, or mathematically,  I'll do both.

<u>Graphing:</u>

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See the attached graph.  The lines intersect at (-1,1)

--------------------

I'll rearrange the first equation (to make it easier for me):

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Now lets substitute the second equation into the first so that we can eliminate y:

y = 2x + 3

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If x = -1:

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The solution is x = -1 and y = 1, or (-1,1)

=================

Both approaches give us (-1,1), the solution to the system of equations.  It is the only point that satisfies both equations.

3 0
1 year ago
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