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3 years ago

What is X to the third power plus 125?

Mathematics

2 answers:

laiz [17]3 years ago

7 0

(X+5)(x^2-5x+25) I think

iren [92.7K]3 years ago

6 0

Here is your answer wish you the best of luck

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An apartment complex rents an average of 2.3 new units per week. If the number of apartment rented each week Poisson distributed

masya89 [10]

Answer:

$P(X\leq 1) = 0.331$

Step-by-step explanation:

Given

Poisson Distribution;

Average rent in a week = 2.3

Required

Determine the probability of renting no more than 1 apartment

A Poisson distribution is given as;

$P(X = x) = \frac{y^xe^{-y}}{x!}$

Where y represents λ (average)

y = 2.3

<em>Probability of renting no more than 1 apartment = Probability of renting no apartment + Probability of renting 1 apartment</em>

<em />

Using probability notations;

$P(X\leq 1) = P(X=0) + P(X =1)$

Solving for P(X = 0) [substitute 0 for x and 2.3 for y]

$P(X = 0) = \frac{2.3^0 * e^{-2.3}}{0!}$

$P(X = 0) = \frac{1 * e^{-2.3}}{1}$

$P(X = 0) = e^{-2.3}$

$P(X = 0) = 0.10025884372$

Solving for P(X = 1) [substitute 1 for x and 2.3 for y]

$P(X = 1) = \frac{2.3^1 * e^{-2.3}}{1!}$

$P(X = 1) = \frac{2.3 * e^{-2.3}}{1}$

$P(X = 1) =2.3 * e^{-2.3}$

$P(X = 1) = 2.3 * 0.10025884372$

$P(X = 1) = 0.23059534055$

$P(X\leq 1) = P(X=0) + P(X =1)$

$P(X\leq 1) = 0.10025884372 + 0.23059534055$

$P(X\leq 1) = 0.33085418427$

$P(X\leq 1) = 0.331$

Hence, the required probability is 0.331

6 0

3 years ago

Devan spent 14 of her paycheck at the mall. She spent 12 of that money on shoes. What fraction of her total paycheck did she spe

Alla [95]

She spent 12 of her paycheck and had 2 more

3 0

3 years ago

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G(x) = -2x -9 what is g(-7)?

tresset_1 [31]

Answer:

g(-7) = 5

Step-by-step explanation:

Step 1: Define

g(x) = -2x - 9

g(-7) is x = -7

Step 2: Substitute and Evaluate

g(-7) = -2(-7) - 9

g(-7) = 14 - 9

g(-7) = 5

4 0

3 years ago

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A. In the diagram above, angles ABCABC and CBDCBD are

Dovator [93]

Answer:

Step-by-step explanation:

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2 years ago

Pay!ng someone to do my math exam! If you’re down contact me on my !nsta kiara.c1

dimaraw [331]

How much we talking like 20 dollars or something

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2 years ago