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AleksandrR [38]
3 years ago
15

What Greek mathematician wrote the most definitive text on geometry

Mathematics
1 answer:
Anton [14]3 years ago
8 0

Answer:

Euclid did

Step-by-step explanation:

author of the elements who many considered to be most definitive text on geometry

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By what number should you multiply the 1st equation to cancel the x's using the elimination method?
12345 [234]

Answer:

-3

Step-by-step explanation:

3 0
3 years ago
∠1 and ∠2 are complementary.
kobusy [5.1K]
If two angles are complimentary then their sum would equal to 90 degree.
i.e., x + 3x + 30 = 90
4x = 90 - 30
x = 60 / 4
x = 15

In short, Your Answer would be Option A

Hope this helps!
6 0
3 years ago
Read 2 more answers
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.

6 0
2 years ago
You decide to put the Gamer table on sale for 20% off. You normally charge $210 for this table. What is the amount of the discou
kvasek [131]
First, you would multiply $210 by 20%
This is done by converting 20% to a decimal, .2

So, 210 • .2 = 42

Then to find the sale price, you would subtract that 42 that you just got from 210,

and you get $168 as the final sale price.
5 0
3 years ago
If 24 = 3 • 2× then x =
lidiya [134]

Answer:

4

Step-by-step explanation:

3x2=6

6 times what gives 24?

6x4=24

So x=4

7 0
2 years ago
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