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Ghella [55]
3 years ago
12

Un comerciante compró seis camionetas por $2 310 000. Si quiere obtener una ganancia total de $ 577 500, ¿ En cuanto debe vender

cada camioneta?
Mathematics
1 answer:
Dovator [93]3 years ago
7 0
No tengo ni la menor idea
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Suppose the average tread-life of a certain brand of tire is 42,000 miles and that this mileage follows the exponential probabil
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Answer: The probability that a randomly selected tire will have a tread-life of less than 65,000 miles is 0.7872 .

Step-by-step explanation:

The cumulative distribution function for exponential distribution is :-

P(X\leq x)=1-e^{\frac{-x}{\lambda}}, where \lambda is the mean of the distribution.

As per given , we have

Average tread-life of a certain brand of tire :  \lambda=\text{42,000 miles }

Now , the probability that a randomly selected tire will have a tread-life of less than 65,000 miles will be :

P(X\leq 65000)=1-e^{\frac{-65000}{42000}}\\\\=1-e^{-1.54761}\\\\=1-0.212755853158\\\\=0.787244146842\approx0.7872

Hence , the probability that a randomly selected tire will have a tread-life of less than 65,000 miles is 0.7872 .

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3 years ago
If p, q are zeroes of polynomial f(x) =2x^2-7x+3,find the value of p^2+q^2​
Elza [17]

Answer:

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Step-by-step explanation:

For a quadratic function ax^2 + bx + c if the zeroes are A and B then

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2x^2 - 7x + 3

Now p and q are the zeroes of the above function so

p + q =  7/3 and pq = 3/2.

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= (7/3)^2 - 2* 3/2

=  49/9 - 3

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Hey!!!!

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Step-by-step explanation:

Alrighty... let's begin....

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