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navik [9.2K]
2 years ago
6

Can someone please help how I could find the square root for 121? Please explain step by step to get marked as brainliest!

Mathematics
1 answer:
navik [9.2K]2 years ago
4 0

Answer:

+ or - 11

Step-by-step explanation:

To find the square root of 121, think of a number that multiplied by itself would get to 121. This number is 11. However, do remember that the number could also be negative 11 bencause a negative times a negative becomes positive.  I would advise you to try memorizing the squares of 0 to 15 to help you with this. Otherwise, you can just use a calculator.

Hope this helps! :)

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3 years ago
A rectangular box is designed to have a square base and an open top. The volume is to be 500in.3 What is the minimum surface are
mr_godi [17]

The minimum surface area that such a box can have is 380 square

<h3>How to determine the minimum surface area such a box can have?</h3>

Represent the base length with x and the bwith h.

So, the volume is

V = x^2h

This gives

x^2h = 500

Make h the subject

h = 500/x^2

The surface area is

S = 2(x^2 + 2xh)

Expand

S = 2x^2 + 4xh

Substitute h = 500/x^2

S = 2x^2 + 4x * 500/x^2

Evaluate

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Differentiate

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Set the equation to 0

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Evaluate

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Read more about surface area at

brainly.com/question/76387

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5 0
2 years ago
1500= 5n- 300 <br> Solve the equation for n . Show work.
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I would appreciate a brainliest, please?

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