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krok68 [10]
3 years ago
15

How long is each side of a square that has an area of 25 meters?

Mathematics
2 answers:
Sergio [31]3 years ago
4 0
The square root of 25 is 5, so each side is 5metres x
Rom4ik [11]3 years ago
4 0
A=s*s
25 = x \times x \\ 25 = {x}^{2}  \\  \sqrt{25}  =  \sqrt{ {x}^{2} }  \\ 5 = x
Each side is 5m
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Afina-wow [57]

Answer:

= 5 ( 12d + 23f )

Step-by-step explanation:

-2(5d-9f)+7f-10(-9f-7d

Open parenthesis

= -10d + 18f + 7f + 90f + 70d

Collect like terms

= -10d + 70d + 18f + 7f + 90f

= 60d + 115f

Factorise

= 5 ( 12d + 23f )

Therefore,

-2(5d-9f)+7f-10(-9f-7d) in its simplest form is 5 ( 12d + 23f )

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2 years ago
F(x) = x2 - 4x - 21.
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Answer:

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Step-by-step explanation:

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3 years ago
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Sati [7]

Answer:

P(X \geq0.55) \leq 0.22

Step-by-step explanation:

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Y ~ N (100 × \frac{1}{3^2} ) = N ( 50, \frac{100}{9} )

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Using Chebyshev's inequality:

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Let assume that X has a symmetric distribution:

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2P(X \geq \mu+K)\leq) \frac{\sigma^2}{K^2}

2P(X\geq0.5+0.05)\leq \frac{\frac{1}{\frac{3^2}{100} } }{0.05^2}               where: (\sigma^2 = \frac{1}{3^2/100})

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UkoKoshka [18]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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