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ivann1987 [24]
3 years ago
15

WILL GIVE BRAINLIEST!!!!! 20 POINTS!!!

Mathematics
1 answer:
krek1111 [17]3 years ago
4 0
<span>Stress that all the relationships are multiply or divide (not add or subtract). Stress that the same operations are done on both sides. Stress that the directions of the arrows are important. Acknowledge that there are several different correct ways to solve ratio problems.</span>
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25x2 + 20x + 4 = 75 <br> Please help.
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Suppose calls are arriving at a telephone exchange at an average rate of one per second, according to a Poisson arrival process.
antoniya [11.8K]

Answer:

Explanation has been given below

Step-by-step explanation:                    

a) inter arrival times are exponentially distributed with mean 1/n , where n = rate = 1/sec.                                                                              

  probability distribution function is F(t)=n*exp(-n*t).  

reference to any kth packet and the (k-1)th packet

the answer is = integration of F(t).dt with limits 0 to 2 = 1 - exp(-2*n) = 1 - exp(-2)  

b)  t=5 , P(q) = exp(-5)*(5)^q/factorial(q)  

probability of fourth call within t=5 seconds is =  

that is P(4)   P(5)   ......  = 1 - ( P(0)   P(1)   P(2)   P(3) ) ;  put the values and get the answer.  

c) number of calls/rate =  4/n = 4 seconds

5 0
3 years ago
-2a<br> 0b<br> -2<br> × -5b<br> 4<br> × -b
lakkis [162]

Answer:

Step-by-step explanation:

Army DA administrative publications and forms by the Army Publishing Directorate APD. The latest technologies high quality electronic pubs and forms view ...

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3 years ago
Explain how you could convert 152 cups into gallons.
Mila [183]

Answer: There are 16 cups in every gallon so we could divide 152 by 16 and get our number of gallons which would give us 9.63 or a little over 9 and a half gallons.

Step-by-step explanation:

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