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Rasek [7]
3 years ago
12

Is the square root of 400 rational or irrational

Mathematics
2 answers:
STatiana [176]3 years ago
6 0

Rational number, because the Square root of 400 is 20, since 20 x itself is 400. Hope this helps!

Alex_Xolod [135]3 years ago
3 0

The square root of 400 is rational because the product is 20 which is a whole number making it a rational number

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A city park is in the shape of a square. The area of the park is 441 yards2. How many feet long is one side of the park? A) 7 fe
IceJOKER [234]

Answer:

One side of the park is 63 feet.

C is the correct option.

Step-by-step explanation:

We have been given that the shape of the city park is a square and the area if the park is 441 square yards.We have to find the side of the park.

We know that the four sides of a square is equal and the area is given by

A=\text{(side)}^2

On substituting the value of area, we get

441=\text{(side)}^2

Take square root both sides and ignore the negative values of side

\sqrt{441}=\text{side}

On simplifying, we get

Side = 21 yards

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1 yard = 3 feet

Hence, we have

21 yards = 3×21 = 63 feet

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C is the correct option.

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Answer:

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Alexus [3.1K]
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Explanation:
First simplify:
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7 0
3 years ago
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