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alexira [117]
3 years ago
10

Can you please solve this problem? It would be greatly appreciated!

Mathematics
1 answer:
qaws [65]3 years ago
5 0
25 pi is the answer is think
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Write 0.8 in simplest form fraction
grin007 [14]
Listen .8 Is pronounced eight tenths or in fraction eight over ten then simplified to 4 over 5
7 0
3 years ago
The graph represents two complex numbers, z1 and z2, as solid line vectors. Which points represent their complex conjugates?
REY [17]

Point <em>A</em> represents the complex conjugate z₁ and point L represents the complex conjugate of z₂ respectively

The complex conjugate of a complex number is a complex number that having equal magnitude in the real and imaginary part as the complex number to which it is a conjugate, but the imaginary part of the complex conjugate has an opposite sign to the original complex number

Therefore, graphically, the complex conjugate is a reflection of the original complex number across the x-axis because the transformation for a reflection of the point (x, y) across the x-axis is given as follows;

Preimage (x, y) reflected across the <em>x</em> axis give the image (x, -y)

Where in a complex number, we have;

x = The real part

y = The imaginary part

The reflection of z₁ across the x-axis gives the point <em>A</em>, while the reflection of z₂ across the x-axis gives the point <em>L</em>

Therefore;

Point <em>A</em> represents the complex conjugate z₁ and point L represents the complex conjugate of z₂

Learn more about complex numbers here;

brainly.com/question/20365080

4 0
3 years ago
What is the difference between the mean and the median of the following distribution?
natulia [17]
The definition of mean, is to add up all the numbers and divide it by how many numbers there are. So, in this case the mean would be 1+1+1+2+2+2+2+3+3+4+4+4+4+5+5+6+7+7+8+8+9 = 86. You would then take 86 and divide that by 21, and you would get 4.0
The definition of median states to find the middle of the numbers. So the median would be 4. 
So you would just take 4 - 4 = 0. 

0 would be correct.
8 0
3 years ago
Read 2 more answers
What is the final concentration if a saline solution consisting of 20% NaCl is diluted using a 1/4 solution?
vodomira [7]

Answer: C.V=C1.V1 +C2.V2

Step-by-step explanation: C=(C1V1 + C2V2)/V -> C=(20%.V+25%V)/2V-> C=22,5%

6 0
3 years ago
Solve 3 over x minus 3 equals the quantity of x over x minus 3, minus three-halves. for x and determine if the solution is extra
astraxan [27]
\frac{3}{x} -3 = \frac{x}{x}  -  \frac{3}{2}
3 -3x = x - \frac{3x}{2}
-6x -2x -x = 6
-9x=6
9x=6
x= \frac{6}{9}= \frac{2}{3}
3 0
2 years ago
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