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3 years ago

How do is solve 9/8x+7/6x

1 answer:

5 0

They are both improper fractions once changed then can be added for ex.
9/8= 1 1/8x 7/6= 1 1/6x
anyways answer is 55/24= 2 7/24

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Gubir bought 40 articles for $10 and sold them at 32c each. Calculate the cost price of each article.

DIA [1.3K]

Each article will be 1.25

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3 years ago

Is 0.6 pi rational or Irrational?

algol [13]

Not sure the question is but 0.6 is rational but pi is irrational and anything with pi in it is irrational too

5 0

3 years ago

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Whats 20 inches and 7 feet as a fraction in simpalist form

Rudik [331]

4 4/7 feet is it's simplest form because 20 I'm chea equal 1.67 feet and 7 feet equals 84 inches so do 20 × 4 = 80 then you would have 4 left over and turn that into 4/7

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3 years ago

In 1898 L. J. Bortkiewicz published a book entitled The Law of Small Numbers. He used data collected over 20 years to show that

attashe74 [19]

Answer:

(a) The probability of more than one death in a corps in a year is 0.1252.

(b) The probability of no deaths in a corps over 7 years is 0.0130.

Step-by-step explanation:

Let <em>X</em> = number of soldiers killed by horse kicks in 1 year.

The random variable $X\sim Poisson(\lambda = 0.62)$ .

The probability function of a Poisson distribution is:

$P(X=x)=\frac{e^{-\lambda}\lambda^{x}}{x!};\ x=0,1,2,...$

(a)

Compute the probability of more than one death in a corps in a year as follows:

P (X > 1) = 1 - P (X ≤ 1)

= 1 - P (X = 0) - P (X = 1)

$=1-\frac{e^{-0.62}(0.62)^{0}}{0!}-\frac{e^{-0.62}(0.62)^{1}}{1!}\\=1-0.54335-0.33144\\=0.12521\\\approx0.1252$

Thus, the probability of more than one death in a corps in a year is 0.1252.

(b)

The average deaths over 7 year period is: $\lambda=7\times0.62=4.34$

Compute the probability of no deaths in a corps over 7 years as follows:

$P(X=0)=\frac{e^{-4.34}(4.34)^{0}}{0!}=0.01304\approx0.0130$

Thus, the probability of no deaths in a corps over 7 years is 0.0130.

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3 years ago

Nara multiplied two whole numbers together to equal a product of 90.

BabaBlast [244]

Answer:

30×3=90 10×9=90 45×2=90 . .

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3 years ago

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