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3 years ago

What numbers does the square root of 5 lie between

1 answer:

lord [1]3 years ago

3 0

Answer:

2 and 3

Step-by-step explanation:

2 squared = 4

3 squared = 9

5 lies between 4 and 9

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IgorLugansk [536]

So, we know that:

$A=\dfrac{1}{2}ab\\P=a+b+c\\a^2+b^2=c^2$

We also know that $(a+b)^2=a^2+2ab+b^2$ . We will use that fact to find $c$ in terms of $A$ and $P$ .

$A=\dfrac{1}{2}ab\Rightarrow 2ab=4A\\P=a+b+c\Rightarrow a+b=P-c$

Therefore:

$(P-c)^2=c^2+4A\\P^2-2cP+c^2=c^2+4a\\2cP=P^2-4A\\c=\dfrac{P^2-4A}{2P}$

7 0

2 years ago

Nikitich [7]

The answer would be A

3 0

3 years ago

rosijanka [135]

The correct answer is <span>{-5/2, 10/3}.</span>

6 0

3 years ago

Harlamova29_29 [7]

Answer:

2/8 or 1/4

Step-by-step explanation:

2/8 or 1/4 because the spots on the spinner are blue out of 8 is 2/8 or 1/4

3 0

3 years ago

Lera25 [3.4K]

Answer: 1668.2

Multiply 1668.2×45 and get 75,069

5 0

3 years ago