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Can you solve it by taking the lin in the both sides 

are you asking what is the middel of 1 nd 25 and the middel of 3 and 41

50%=1/2

300*1/2=150

25%=1/4

1/2+1/4=3/4

3/4=75%

150*1/2=75

150+75=225

225=75% of 300

2r+1=9

minus 1 from both sides to get rid of the last thing that happened to the r

2r=8

divide both sides by 2 to get rid of the next thing that happened to r

r=4

simples eeek

4 years 33 days

Prior to the 20th century 1 was considered to be a prime number.  However, it is no longer considered to be so because of the Fundamental Theorem of Arithmetic which says that any positive integer greater than 1 can be expressed as a unique product of primes.  

For example, 12 is 2*2*3

If 1 were a prime then this is no longer unique because we could also have 1*2*2*3 or 1*1*2*2*3 or 1*1*1*1*....*1*2*2*3 etc.

The Fundamental Theorem of Arithmetic was considered to be so important that 1's prime status was rescinded!

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f = 0.5151515151.....

100f = 51.5151515151.....

Subtract the first from the second

99f = 51

Divide both sides by 99

f = 51/99

So 0.5151515151..... = 51/99

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Check:

$${\frac{{\mathtt{51}}}{{\mathtt{99}}}} = {\frac{{\mathtt{17}}}{{\mathtt{33}}}} = {\mathtt{0.515\: \!151\: \!515\: \!151\: \!515\: \!2}}$$

(The final 2 appears only because of rounding to a finite number of places)

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2x² - 9x + 4 = (2x - 1)(x - 4)

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Question 16

sin(y) must have values between -1 and +1 so x must be less than or equal to -(√2)/2 or greater than or equal to (√2)/2. So the critical values of x are ±(√2)/2.

$$\frac{dy}{dx}=\frac{2}{x^3 \sqrt{1-(x^{-2}-1)^2}}$$

At x = ±(√2)/2, dy/dx = ∞

So these critical points are neither maxima nor minima

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2r+1=9
2r=9-1
2r=8
r=8÷2
r=4

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any one ? 

369 = 3² * 41

2 / 25  =  x / 8     cross-multiply

16 = 25x      divide both sides by 25

16/25 = x

So......we need 16/25 cups

What a coincidence! 

What are adjacent angles?

"Adjacent" means "next to" or "lying beside." So, you may  be talking about angles that are next to each other.

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Así, es posible que hablar de ángulos que están uno junto al otro.

Două unghiuri sunt adiacente atunci când au o față comună și un nod comun ( punctul colț ), și nu se suprapun.

(The question was asked in Romanian)

The answer is B. When you put all of the times people were arrested because of car stereo theft, Pilfer has the highest probability (12/29) compared to the other suspects.

Basically, you would, like CPhill said, add the values. 324+569+280+300+146+63+92+451 is 2225, and dividing that by the number of values (8) would get a final answer of the mean being 278.125, also translated as 278 1/8.

20/107 = 0,18691589

20/107 = 18,691589 % ≈ 18,7 %

Just add the values and divide by the number of them, i.e.,  8.

The answer is 469,135,782. Of you need help on mathematical equations, just refer to the site's calculator, easily accessed by clicking "home" or the site's logo.

thanks for the help