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3 years ago

(X+2)(x-4)(x+7)(x-1)

Mathematics

1 answer:

Rina8888 [55]3 years ago

4 0

Answer:

i think it may be 97104000, i may be wrong tho

Step-by-step explanation:

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What is the percentage decrease if an item has dropped from $115 to $46

Sav [38]

Answer: 60% decrease

Step-by-step explanation:

Look at the attachment

4 0

4 years ago

The best definition for the following phrase: combining like terms

Inessa05 [86]

Combining like terms would be defined as multiplying each term in a set of parentheses by the number outside of the parentheses.

4 0

3 years ago

let X represent the amount of time till the next student will arriv ein the library partking lot at the university. If we know t

AlekseyPX

Answer:

0.606531 = 60.6531% probability that it will take between 2 and 132 minutes for the student to arrive at the library parking lot.

Step-by-step explanation:

Exponential distribution:

The exponential probability distribution, with mean m, is described by the following equation:

$f(x) = \mu e^{-\mu x}$

In which $\mu = \frac{1}{m}$ is the decay parameter.

The probability that x is lower or equal to a is given by:

$P(X \leq x) = \int\limits^a_0 {f(x)} \, dx$

Which has the following solution:

$P(X \leq x) = 1 - e^{-\mu x}$

The probability of finding a value higher than x is:

$P(X > x) = 1 - P(X \leq x) = 1 - (1 - e^{-\mu x}) = e^{-\mu x}$

Mean of 4 minutes

This means that $m = 4, \mu = \frac{1}{4} = 0.25$

Find the probability that it will take between 2 and 132 minutes for the student to arrive at the library parking lot:

This is:

$P(2 \leq X \leq 132) = P(X \leq 132) - P(X \leq 2)$

In which

$P(X \leq 132) = 1 - e^{-0.25*132} = 1$

$P(X \leq 2) = 1 - e^{-0.25*2} = 0.393469$

$P(2 \leq X \leq 132) = P(X \leq 132) - P(X \leq 2) = 1 - 0.393469 = 0.606531$

0.606531 = 60.6531% probability that it will take between 2 and 132 minutes for the student to arrive at the library parking lot.

4 0

3 years ago

Where Two and One third will be located in the number line between what two integers?

Mila [183]

Two and one thirds will be located between 2 and 3.

hope this helps :)

7 0

3 years ago

an athlete eats 55g of protein per day while training. how much protein will she eat during 17 days or training?

dybincka [34]

Answer:

935 grams

Step-by-step explanation:

1 day = 55 grams

17 days = 55 x 17 = 935 grams

5 0

3 years ago