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True [87]
3 years ago
10

47 is the result when 12 and x are added.

Mathematics
2 answers:
steposvetlana [31]3 years ago
5 0

Hello!

What the equation looks like:

47= 12 + x

Solve: Simply subtract 12 from 47, 47-12=35

To double check, plug in:

47= 12=35.

I hope it helps!

taurus [48]3 years ago
3 0

47=12+x

X=47-12

X=35

This is just from converting the statement into an equation and solving it normally

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Write an equation for each sentence and then solve.
Whitepunk [10]

Answer:

Step-by-step explanation:

Let the two consecutive numbers be 2n and 2n+2

The sum of these numbers in 2n + (2n+2).

Hence

2n + (2n+2) = 34

4n + 2 = 34

4n  = 32

n =8.

8 0
3 years ago
The number of calls coming per minute into a hotel reservation center is Poisson random variable with mean 3.
natima [27]

Answer:

a) 0.05

b) 0.9826

c) 0.000039308

Step-by-step explanation:

a) P_X(0) = \frac{e^{-3}3^0}{0!} = e^{-3} =  0.05

b) For two minutes, the mean is doubled, hence it is 6. In order to calculate the probability of al least two calls arriving, we calculate first the probability of the complementary event: At most 1 call will arrive. For that probability, we need to sum the probabilities of 0 and 1.

P_X(0) = e^{-6}

P_X(1) = \frac{e^{-6}*6^1}{1!} = 6*e^{-6}

Hence,

P(X \geq 2) = 1-P(X < 2) = 1- 7*e^{-6} = 0.9826

c) For five minutes the mean is 15. We need to sum the probabilities of 0, 1 and 2.

P_X(0) = e^{-15}

P_X(1) = e^{15}*15

P_X(2) = \frac{e^{-15}*15^2}{2!} = 112.5*e^{-15}

As a result,

P(X \leq 2) = e^{-15}(1+15+112.5) = 0.000039308

Practically 0

4 0
3 years ago
Plz give me the answer
bazaltina [42]
I need to see the equations to answer the question

8 0
3 years ago
What is 2x+7y-51256?
evablogger [386]

Answer:

Step-by-step explanation:

An expression.

5 0
3 years ago
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Montano1993 [528]
Your answer will be B. Just message me if you have a question on how it's that answer
4 0
3 years ago
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