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Burka [1]
3 years ago
6

Tell whether the sequence is arithmetic. If it is, what is the common difference?

Mathematics
1 answer:
andre [41]3 years ago
7 0

OPTION D. No

as there is no common difference

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Solve x2 + 14x = −24 by completing the square.<br><br> What is the solution set of the equation?
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he pulse rates of 179 randomly selected adult males vary from a low of 43 bpm to a high of 115 bpm. Find the minimum sample size
malfutka [58]

Answer:

97

Step-by-step explanation:

Given that:

Low = 43bpm

High = 115 bpm

Error = 3

α = 90%

To find the range estimate :

Standard destviation = (high - low) / 4

Standard deviation = (115 - 43) / 4

Standard deviation = 72/4 = 18

The sample size,(n) :

n = [(Zα/2 * sd)/E] ²

2 - tail = (Zα/2) = 1.645

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3 years ago
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kati45 [8]

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3 0
3 years ago
A scuba diver is 30 feet below the surface of the water 10 seconds after he entered the water and 100 feet below the surface aft
den301095 [7]

Answer:

2.3 feet/ second

Step-by-step explanation:

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This is given by rate of change = (change in position)/ change in time

From the question, his position changed from 30 ft to 100 ft thus the distance he travelled is = 100ft - 30 ft = 70 ft.

Time taken to travel this distance = 40 seconds - 10 seconds = 30 seconds

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5 0
3 years ago
Xkslgmvkdkskfnfjndngkckgkdks
NeX [460]
X-3=66
x=69

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y=79
7 0
3 years ago
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