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Vesna [10]
3 years ago
8

Add 7min and 25s and 27min and 46s PLS HELP

Mathematics
2 answers:
ololo11 [35]3 years ago
4 0

Answer:

35 min. and 11 sec.

Step-by-step explanation:

27 min + 7 min = 34 min

46 sec + 25 sec = 71

60 seconds in a 1 minutes so:

71 - 60 = 11

add 1 minute to 34 =34

Darya [45]3 years ago
3 0

Answer:

35 minutes and 11 seconds 0:35:11

Step-by-step explanation:

Add the equations together 7 + 27 = 34 and   25 + 46  1 minute and 11 seconds.

Now add both of these together and you have the answer

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What is the domain of y=log6x
elena-14-01-66 [18.8K]

Answer:

i think its c

Step-by-step explanation:


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3 years ago
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anne buys used cars at auction for 2000 per car. there is 150 fee to take part in the auction. If anne buys 13 used cars how muc
katrin [286]
How to understand the problem is like this:
   Total Cost = Entrance Fee + Total Car cost
So we know that the Entrance Fee is $150...
   Total Cost = $150 + Total Car cost
So we know that Anne bought 13 cars, each at $2,000...
   Total Cost = $150 + ($2,000 x 13)
We multiply because each car is $2,000 and Anne bought 13 of them.
So it works out like this:
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4 years ago
The caller times at a customer service center has an exponential distribution with an average of 22 seconds. Find the probabilit
jenyasd209 [6]

Answer:

The probability that a randomly selected call time will be less than 30 seconds is 0.7443.

Step-by-step explanation:

We are given that the caller times at a customer service center has an exponential distribution with an average of 22 seconds.

Let X = caller times at a customer service center

The probability distribution (pdf) of the exponential distribution is given by;

f(x) = \lambda e^{-\lambda x} ; x > 0

Here, \lambda = exponential parameter

Now, the mean of the exponential distribution is given by;

Mean =  \frac{1}{\lambda}  

So,  22=\frac{1}{\lambda}  ⇒ \lambda=\frac{1}{22}

SO, X ~ Exp(\lambda=\frac{1}{22})  

To find the given probability we will use cumulative distribution function (cdf) of the exponential distribution, i.e;

    P(X\leq x) = 1 - e^{-\lambda x}  ; x > 0

Now, the probability that a randomly selected call time will be less than 30 seconds is given by = P(X < 30 seconds)

        P(X < 30)  =  1 - e^{-\frac{1}{22} \times 30}

                         =  1 - 0.2557

                         =  0.7443

7 0
4 years ago
Please Help! I'll give a brainliest!
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Answer:

  • $68100

Step-by-step explanation:

Commission = 15% of sales amount

The amount Tania earned is:

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You multiply both sides by 9 first so you have -45=y-7. then add 7 to both sides to get y=-38
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