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Solnce55 [7]
3 years ago
15

Helppppppppppppppppppp

Mathematics
2 answers:
shepuryov [24]3 years ago
7 0

Answer:

c

Step-by-step explanation:

3a + 2 = 2a + 7

a +2 = 7

a = 5

zvonat [6]3 years ago
4 0

Answer:

I believe it's <em>A.) </em>\frac{9}{5}

It can though, be <u><em>C.) 5</em></u>

I might be wrong about A.

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The width of a rectangular swimming pool is 16ft. The diagonal of the swimming pool is 34 ft. What is the length of the swimming
kobusy [5.1K]
The length of the swimming pool is 30 ft  
5 0
3 years ago
Read 2 more answers
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
What are the coordinates for a dilated triangle, A’B’C’, if the scale factor for the dilation is 0.75?
ycow [4]

Answer:

D.

A’(–3.75, 0.75); B’(0, 1.5); C’(3, –1.5)

Step-by-step explanation:

Did this on edgenut and got it right

Hope this helps

6 0
2 years ago
Read 2 more answers
0 15 - (-13)<br> How do I get the correct question
stepan [7]
I just know the answer is 28
5 0
3 years ago
How do dis problem? 6.4n-10=4.4n+6
nlexa [21]

Simplifying

6.4n + -10 = 4.4n + 6

Reorder the terms:

-10 + 6.4n = 4.4n + 6

Reorder the terms:

-10 + 6.4n = 6 + 4.4n

Solving

-10 + 6.4n = 6 + 4.4n

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '-4.4n' to each side of the equation.

-10 + 6.4n + -4.4n = 6 + 4.4n + -4.4n

Combine like terms: 6.4n + -4.4n = 2n

-10 + 2n = 6 + 4.4n + -4.4n

Combine like terms: 4.4n + -4.4n = 0.0

-10 + 2n = 6 + 0.0

-10 + 2n = 6

Add '10' to each side of the equation.

-10 + 10 + 2n = 6 + 10

Combine like terms: -10 + 10 = 0

0 + 2n = 6 + 10

2n = 6 + 10

Combine like terms: 6 + 10 = 16

2n = 16

Divide each side by '2'.

n = 8

Simplifying

n = 8

<em>-ur local skatergirl, Rin:)</em>

7 0
3 years ago
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