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AlexFokin [52]
3 years ago
5

How to estimate the square root of a number that is not a perfect square? Give an example and explain how to find it step by ste

p
Mathematics
1 answer:
tangare [24]3 years ago
6 0

Answer:

See below

Step-by-step explanation:

  • <em>There is a formula for estimating square root of non-perfect square numbers</em>
  • <em>√(A²±B) = A ± B/2A</em>
  • <em>where A² is the nearest perfect square, B is the difference between the original number and the perfect square</em>

<u>Examples</u>

  • 1) √75 = √(8²+11) = 8 + 11/(2*8) = 8 + 11/16 = 8.6875
  • 2) √114 = √(11² - 7) = 11 - 7/(2*11) = 10.6818
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9 days

Step-by-step explanation:

He sets his watch 12 seconds behind

For every day that passes it falls back another 1 second

So once it is 21 seconds behind all you have to do is subtraction to find the amount of days past

21 - 12 = 9

Since its 12 seconds behind already itll take 9 days to be behind 9 more seconds.

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Express 80 as a product of prime factors
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Step-by-step explanation:

80=2×2×2×2×5

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Cold antoje help me answering this please :).<br>Fake answer will be reported. ​
Harrizon [31]

Answer:

158.1

Step-by-step explanation:

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Which graph shows the solution to this system of inequalities?<br><br> y&lt;-1/3x+1<br> y&lt;_2x-3
kari74 [83]

The graph that shows the solution to the system of inequalities is: C (see the image attached below).

<h3>How to Determine the Graph of the Solution to a System of Inequalities?</h3>

Given the following systems of inequalities:

y < -1/3x + 1

y ≤ 2x - 3

Below are the features of the graph that represents a solution to the system of inequalities:

  • The boundary line of y < -1/3x + 1 would be a dashed line and the shaded area would be below it, because of the inequality sign, "<".
  • The boundary lines of y ≤ 2x - 3 would be a solid line and the shaded area would be below it, because of the inequality sign, "≤".
  • The slope of the shaded line that represents  y < -1/3x + 1, would be -1/3, and the line would be a decreasing line which intersects the y-axis at 1.
  • The slope of the line that represents y ≤ 2x - 3, would be 2, and the line would also be an increasing line that intersects the y-axis at -3.

Therefore, the graph that shows the solution to the system of inequalities is: C (see the image attached below).

Learn more about the graph of the system of inequalities on:

brainly.com/question/10694672

#SPJ1

8 0
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