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Crazy boy [7]
3 years ago
12

Please help I’ll mark you as brainliest if correct

Mathematics
2 answers:
Len [333]3 years ago
4 0

Answer:

I think it is option B

Step-by-step explanation:

I dont know if I am right

if I am your welcome

lesantik [10]3 years ago
3 0

Answer:

16.33 inches

Step-by-step explanation:

circumference = πd = (3.14)(5.2) = 16.33 inches

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DRIVERS ED
Karolina [17]
Covering the brake is the action when yourself your right foot off the accelerator and holding it over the brake pedal. It's where your foot hovers over the brake but does not actually apply pressure. An example of using this technique would be when your moving from accelerating to braking it slows the stopping distance.
Hope this helps !
<3
7 0
3 years ago
Read 2 more answers
The number of years a radio functions is exponentially distributed with parameter λ = 1 8 . If Jones buys a used radio, what is
blsea [12.9K]

Answer:

P(X>8)=e^{-1}

Step-by-step explanation:

The exponential distribution is "the probability distribution of the time between events in a Poisson process (a process in which events occur continuously and independently at a constant average rate). It is a particular case of the gamma distribution". The probability density function is given by:

P(X=x)=\lambda e^{-\lambda x}, x>0

And 0 for other case. Let X the random variable that represent "The number of years a radio functions" and we know that the distribution is given by:

X \sim Exp(\lambda=\frac{1}{8})

We can assume that the random variable t represent the number of years that the radio is already here. So the interest is find this probability:

P(X>8|X>t)

We have an important property on the exponential distribution called "Memoryless" property and says this:

P(X>a+t| X>t)=P(X>a)

Where a represent a shift and t the time of interest.

On this case then P(X>8|X>t)=P(X>8+t|X>t)=P(X>8)

We can use the definition of the density function and find this probability:

P(X>8)=\int_{8}^{\infty} \frac{1}{8}e^{-\frac{1}{8}x}dx

=\frac{1}{8} \int_{8}^{\infty} e^{-\frac{1}{8}x}dx

=[lim_{x\to\infty} (-e^{-\frac{1}{8}x})+e^{-1}]=0+e^{-1}=e^{-1}

8 0
3 years ago
The sum of all the positive terms in the geometric sequence 54, - 36, 24, - 16, ... is
Annette [7]

Answer:

  B.  97.2

Step-by-step explanation:

The sequence of positive terms is ...

  54, 24, 10 2/3, 4 20/27, ...

This sequence has first term 54 and common ratio 24/54 = 4/9. The sum of the infinite series is ...

  S = a1/(1 -r) = 54/(1 -4/9) = 54(9/5)

  S = 97.2

The sum of the positive terms in the infinite series is 97.2.

8 0
2 years ago
Zero point three divided by zero point 9
RoseWind [281]

Answer:

0.33333

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Convert 27day 8hour into second
Nataliya [291]
27 days and 8 hours = 656 hours
27 x 24 = 648
648 + 8 = 656
24 hours = 3,600 seconds
656 x 3,600 = 2,361,600 seconds

The answer is 2,361,600 seconds.
7 0
3 years ago
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