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lilavasa [31]
4 years ago
6

A square has a perimeter of 8ft. what is the length of each side​

Mathematics
2 answers:
grigory [225]4 years ago
6 0

Answer:

<h3>the length of each side is 2ft</h3>

Step-by-step explanation:

Perimeter of a square = 4l

where l is the length of one side

Perimeter = 8ft

8 = 4l

Divide both sides by 4

l =  \frac{8}{4}  \\ l = 2

Since a square has equal sides the length of each side is 2ft

natulia [17]4 years ago
5 0
Answer: 2 ft

Explanation:

We know a square has four equal sides and that the perimeter is the length around the shape.

8 ft / 4 = 2 ft

Therefore, the length of each side is 2 ft
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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

S = 2x^2 + 2000/x

Differentiate

S' = 4x - 2000/x^2

Set the equation to 0

4x - 2000/x^2 = 0

Multiply through by x^2

4x^3 - 2000 = 0

This gives

4x^3= 2000

Divide by 4

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Take the cube root

x = 7.94

Substitute x = 7.94 in S = 2x^2 + 2000/x

S = 2 * 7.94^2 + 2000/7.94

Evaluate

S = 380

Hence, the minimum surface area that such a box can have is 380 square

Read more about surface area at

brainly.com/question/76387

#SPJ1

5 0
2 years ago
Gracie owns a deferred annuity. The contract is tied to a market index, which was at 1000 when Gracie purchased the product and
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Answer:

Point to point indexed annuity.

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4 years ago
sunscreen is priced at $10 per bottle plus 8% tax if Tanya purchases a bottle of sunscreen with a $20 bill then what is her chan
alina1380 [7]

$9.20

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3 0
3 years ago
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Write as a fraction 30:48 is
katovenus [111]
It would be 30/48 but you still have to simplify it

5/8 is the answer
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On the day before an election in a large city, each person in a random sample of 1,000 likely voters is asked which candidate he
gayaneshka [121]

Answer:

It's not possible to reach a conclusion about who will vote candidate Taylor because this is a random sample and not a population census or experiment.

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