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Varvara68 [4.7K]
3 years ago
8

3. A)Find the next number in the sequence.

Mathematics
1 answer:
USPshnik [31]3 years ago
7 0

9514 1404 393

Answer:

  1/3; geometric

Step-by-step explanation:

Apparently, your sequence is ...

  81, 27, 9, 3, 1, ...

The differences between these numbers vary, but the ratio of each to the one before is a constant:

  27/81 = 9/27 = 3/9 = 1/3

The sequence is geometric with a common ratio of 1/3. The next number in the sequence is (1)(1/3) = 1/3.

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X 16 28 44
Andrews [41]

simple formula for that is y×2=x

5 0
3 years ago
During their summer break from school. Hortencia and Alex decide to paint houses to earn money. Hortencia charges a flat rate of
PIT_PIT [208]

Answer:

The answer to your question is: 20 hours.

Step-by-step explanation:

Data

Hortencia = $350

Alex $18 / h

# hours Alex must paint to make more money than Hortencia = ?

Process

Equation                      18 x n > 350

                                     n > 350 / 18

                                     n > 19.4 hours

If Alex work 19.4 hours, he will make the same amount of money than Hortencia, then He needs to work 20 hours.

4 0
3 years ago
Please help with this question
puteri [66]
The answer i found to be is C

4 0
3 years ago
Frances read of an article in three minutes. How much of the article did she read each minute?
lions [1.4K]
Seems to be a typo:
If you meant to say just "an article" then it would be 1/3 of the article per minute.

If it is supposed to say "half of an article" he would have read 1/6 of the article per minute. Hope this helps!
6 0
3 years ago
Please someone help
nevsk [136]

Answer:

The answer is 7/3 or 2 1/3

Step-by-step explanation:

1) You change the ÷ into x  (so it will be 7/9 x 1/3)

2) You flip the 1/3 so it will be 3 ( 7/9 x 3)

3) There you have it the answer is 7/3

5 0
3 years ago
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