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soldier1979 [14.2K]
3 years ago
10

Find the next three terms in the geometric sequence: 400, 200, 100, 50

Mathematics
2 answers:
Elena-2011 [213]3 years ago
7 0
It's dividing by 2. 

Next 3 would be: 25, 25/2, 25/4 or converting those into decimals. 
Crazy boy [7]3 years ago
6 0
Hi there! The geometric sequence is 1/2 of the number, because 400/2 is 200, 200/2 is 100, 100/2 is 50 and so on. 50/2 is 25, 25/2 is 12.5 and 12.5/2 is 6.25. There. The next three patterns of the geometric sequence is 25, 12.5, and 6.25.
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One pump can empty a pool in 4 days, whereas a second pump can empty the pool in 10 days. How long will it take the two pumps, w
gtnhenbr [62]

Answer:

20/7 days (just less than 3 days)

Step-by-step explanation:

Recall that (1 job) = (rate)(time), so time = (1 job) / (rate).

Set up and solve the following equation:

  1 job

------------------------------- = time required for 2 pumps working together

1 job         1 job

---------- + -------------

4 days      10 days

This comes out to:

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10 job-days      4 job-days

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   40 days           40 days

or:

    1 job

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

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7 0
3 years ago
Find the measure of the exterior angle.
Illusion [34]

Answer:

<em> 108 degrees</em>

Step-by-step explanation:

From the diagram we are given

Interior angles are 2x + 1 and 63 degrees

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The sum of interior angles is equal to the exterior angle

2x + 1 + 63 = 5x - 2

2x + 64 = 5x - 2

2x - 5x = -2-64

-3x = -66

x = -66/-3

x = 22

Get the exterior angle:

Exterior angle = 5x-2

Exterior angle = 5(22) - 2

Exterior angle = 110-2

Exterior angle  = 108 degrees

<em>Hence the measure of the exterior angle is 108 degrees</em>

5 0
3 years ago
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1. yes
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4 0
2 years ago
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Tju [1.3M]

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75.39cm ^{2}

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3 years ago
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DerKrebs [107]
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3 0
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