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xeze [42]
3 years ago
9

Which number is bigger? 419.10 or 419.099? please help me I do NOT want homework!

Mathematics
2 answers:
lesya [120]3 years ago
5 0

Answer:

419.10 is greater than 419.099

Step-by-step explanation:

puteri [66]3 years ago
4 0

Answer:

419.10 or 419.1

Step-by-step explanation:

419.1 is greater than 419.099, since there is a number on the tenths place of 419.1, whereas the latter does not.

Plus, when you round 419.099 UP to the nearest tenth, you get 419.1.

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Audrey, an astronomer is searching for extra-solar planets using the technique of relativistic lensing. Though there are believe
Stolb23 [73]

Answer:

Step-by-step explanation:

The model N (t), the number of planets found up to time t, as a Poisson process. So, the N (t) has distribution of Poison distribution with parameter (\lambda t)

a)

The mean for a month is, \lambda = \frac{1}{3} per month

E[N(t)]= \lambda t\\\\=\frac{1}{3}(24)\\\\=8

(Here. t = 24)

For Poisson process mean and variance are same,

Var[N (t)]= Var[N(24)]\\= E [N (24)]\\=8

 

(Poisson distribution mean and variance equal)

 

The standard deviation of the number of planets is,

\sigma( 24 )] =\sqrt{Var[ N(24)]}=\sqrt{8}= 2.828

b)

For the Poisson process the intervals between events(finding a new planet) have  independent  exponential  distribution with parameter \lambda. The  sum  of K of these  independent exponential has distribution Gamma (K, \lambda).

From the given information, k = 6 and \lambda =\frac{1}{3}

Calculate the expected value.

E(x)=\frac{\alpha}{\beta}\\\\=\frac{K}{\lambda}\\\\=\frac{6}{\frac{1}{3}}\\\\=18

(Here, \alpha =k and \beta=\lambda)                                                                      

C)

Calculate the probability that she will become eligible for the prize within one year.

Here, 1 year is equal to 12 months.

P(X ≤ 12) = (1/Г  (k)λ^k)(x)^(k-1).(e)^(-x/λ)

=\frac{1}{Г  (6)(\frac{1}{3})^6}(12)^{6-1}e^{-36}\\\\=0.2148696\\=0.2419\\=21.49%

Hence, the required probability is 0.2149 or 21.49%

5 0
3 years ago
Find the area of the shaded region. Round your answer to the nearest tenth.
Troyanec [42]

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Area of the circle = π (4.5 m)^2 = 20.25π m^2

Then the area of the shaded region is

81 m^2 - 20.25π m^2 ≈ 17.4 m^2

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The percentahee of the cup that is filled with water after 3 seconds
oee [108]
Im sorry i dont understand the question.. Is there another form of the question you can give me?
6 0
3 years ago
HELP I NEED HELP ASAP
Nikitich [7]

Answer:

the answer is A

Step-by-step explanation:

4 0
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A
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