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Paladinen [302]
4 years ago
14

Answer plz! Which choices are equivalent to the quotient below? Check all that apply.

Mathematics
2 answers:
e-lub [12.9K]4 years ago
4 0

Answer:

A(√2) would be the correct answer.

tatiyna4 years ago
4 0

Answer:

\boxed{A. \: \sqrt{2}  \: \: \: and \: \: \: F. \: \frac{ \sqrt{4} }{ \sqrt{2} }}

Step-by-step explanation:

=  >  \frac{ \sqrt{18} }{ \sqrt{9} }  =  \frac{ \sqrt{9 \times 2} }{ \sqrt{9} }  \\  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =    \frac{ \cancel{ \sqrt{9}} \times  \sqrt{2}  }{ \cancel{ \sqrt{9} }}  \\  \\    \: \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =  \sqrt{2}

F. \:  \frac{ \sqrt{4} }{ \sqrt{2} }  =   \frac{ \sqrt{2 \times 2} }{ \sqrt{2} }  \\  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:  =  \frac{  \cancel{\sqrt{2}}  \times  \sqrt{2} }{  \cancel{\sqrt{2}}} \\  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:  =  \sqrt{2}

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What value is equivalent to 52 · 52?
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Step-by-step explanation:

52 times 52 equals 2704

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In analyzing hits by certain bombs in a​ war, an area was partitioned into 553 ​regions, each with an area of 0.95 km2. A total
Leto [7]

Answer:

Probability of having two hits in the same region = 0.178

mu: average number of hits per region

x: number of hits

e: mathematical constant approximately equal to 2.71828.

Step-by-step explanation:

We can describe the probability of k events with the Poisson distribution, expressed as:

P(x=k)=\frac{\mu^ke^{-\mu}}{k!}

Being μ the expected rate of events.

If 535 bombs hit 553 regions, the expected rate of bombs per region (the events for this question) is:

\mu=\frac{\#bombs}{\#regions} =\frac{535}{553}= 0.9674

For a region to being hit by two bombs, it has a probability of:

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4 0
3 years ago
Pls help I’m failing
GuDViN [60]

Answer:

-7

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A thermometer is taken from an inside room to the outside, where the air temperature is 20° f. after 1 minute the thermometer re
fomenos

The change in the temperature is proportional to the difference in temperatures. Let's call the initial temperature of the room and the thermometer E_0 and the current temperature E(t) where t is the elapsed time in minutes.  The outside temperature is 20 F.

Newton's Law of Cooling:

E(t) - 20 = (E_0 - 20) e^{- k t}

We're given E(1)=70 \textrm{ and } E(5)=45

70-20 = (E_0 - 20) e^{-k}

45-20 =(E_0 - 20) e^{-5k}

Dividing,

\dfrac{50}{25}=e^{4k}

k = \dfrac 1 4 \ln 2

Now,

E(t) - 20 = (E_0 - 20) e^{- k t}

E_0 = 20 + (E(t) - 20)e^{k t}

E_0 = 20 + (E(1) - 20)e^{k}

E_0 = 20 + (70 - 20)e^{\ln 2/4}

E_0 = 20 + 50 \cdot 2^{1/4} \approx 79.46 \textrm{ degrees F}


3 0
4 years ago
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