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Art [367]
3 years ago
10

Select all that apply

Mathematics
1 answer:
tatuchka [14]3 years ago
5 0

Answer and Step-by-step explanation:

The numbers that are irrational are the square root of 27 and the square root of 55. ( \sqrt{27}, \sqrt{55} ).

This is because those numbers don't have a perfect square root.

The square root of 16 and the square root of 64 have perfect square roots (16 having the answer as 4, and 64 having the answer as 8).

<u><em>#teamtrees #PAW (Plant And Water)</em></u>

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3 years ago
louise bought 80 metres of fencing to make an enclosure for her pet dog .tommy if louise expects a rectangular enclosure what is
OleMash [197]

Answer:

400 m^2.

Step-by-step explanation:

The largest  area is obtained where the enclosure is a square.

I think that's the right answer because a square is a special form of a rectangle.

So the square would be 20 * 20  = 400 m^2.

Proof:

Let the  sides of the rectangle be x and y m long

The area A = xy.

Also the perimeter  2x + 2y = 80

x + y = 40

y = 40 - x.

So substituting for y in A = xy:-

A = x(40 - x)

A = 40x - x^2

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derivative A' =  40 - 2x = 0

2x = 40

x = 20.

So y = 40 - x

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3 0
3 years ago
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kolezko [41]

Answer:

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Step-by-step explanation:

See the attached documents and graphs. Cheers!

Download pdf
<span class="sg-text sg-text--link sg-text--bold sg-text--link-disabled sg-text--blue-dark"> pdf </span>
4de97e6d942fe2c9047a396b82fccba0.png
0b940014a3beda8e854506c0084127b3.png
8 0
3 years ago
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Is the answer for the second one
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alexandr1967 [171]
24 in x 25 in


Or

24 in by 25 in
7 0
4 years ago
Read 2 more answers
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