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torisob [31]
3 years ago
11

3 more than 3 times a number is equal to 12 less than 6 times the number. what is the number?

Mathematics
2 answers:
lorasvet [3.4K]3 years ago
5 0

Answer:

Step-by-step explanation:

18

Juliette [100K]3 years ago
5 0

Answer:

5

Step-by-step explanation:

3*5=15

15+3=18

and

6*5=30

30-12=18

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0.04 is multiplied 10 times to get 0.004
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Together, two apples have 1/5 gram of fat How many apples have a total of 4 grams of fat?
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Let alpha and beta be conjugate complex numbers such that frac{\alpha}{\beta^2} is a real number and alpha - \beta| = 2 \sqrt{3}
miskamm [114]

Answer:

-3+i\sqrt{3} , 1+\sqrt{3}

Step-by-step explanation:

Given that alpha and beta be conjugate complex numbers

such that frac{\alpha}{\beta^2} is a real number and alpha - \beta| = 2 \sqrt{3}.

Let

\alpha = x+iy\\\beta = x-iy

since they are conjugates

\alpha-\beta = x+iy-(x-iy)\\= 2iy= 2i\sqrt{3} \\y =\sqrt{3}

\frac{\alpha}{\beta^2} }\\=\frac{x+i\sqrt{3} }{(x-i\sqrt{3})^2} \\=\frac{x+i\sqrt{3}}{x^2-3-2i\sqrt{3}} \\=\frac{x+i\sqrt{3}((x^2-3+2i\sqrt{3}) }{(x^2-3-2i\sqrt{3)}(x^2-3-2i\sqrt{3})}

Imaginary part of the above =0

i.e. \sqrt{3} (x^2-3)+2x\sqrt{3} =0\\x^2+2x-3=0\\(x+3)(x-1) =0\\x=-3,1

So the value of alpha = -3+i\sqrt{3} , 1+\sqrt{3}

3 0
3 years ago
I don't understand it maybe y'all do
kap26 [50]
Right angle triangle
4 0
3 years ago
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NO LINKS!!! Part 2: <br><br><img src="https://tex.z-dn.net/?f=y%20%3D%20%5Csqrt%7Bx%7D%20" id="TexFormula1" title="y = \sqrt{x}
garik1379 [7]

Range: 3.5, 1.5

Shape: Right angle

Domain: f(x)=x²

g(x)=1/x

3 0
2 years ago
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