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Vlada [557]
3 years ago
9

Solve 5(2 - x) = 7x - 26 Input ONLY the value of x.

Mathematics
1 answer:
Alexxx [7]3 years ago
8 0

Answer:

x = 3

Step-by-step explanation:

5(2 - x) = 7x - 26

Distribute;

10 - 5x = 7x - 26

Add 5x to both sides;

10 = 12x - 26

Add 26 to both sides;

36 = 12x

Divide both sides by 12;

x = 3

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Find the complex fourth roots \[-\sqrt{3}+\iota \] in polar form.
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Let z=-\sqrt3+i. Then

|z|=\sqrt{(-\sqrt3)^2+1^2}=2

z lies in the second quadrant, so

\arg z=\pi+\tan^{-1}\left(-\dfrac1{\sqrt3}\right)=\dfrac{5\pi}6

So we have

z=2e^{i5\pi/6}

and the fourth roots of z are

2^{1/4}e^{i(5\pi/6+k\pi)/4}

where k\in\{0,1,2,3\}. In particular, they are

2^{1/4}e^{i(5\pi/6)/4}=2^{1/4}e^{i5\pi/24}

2^{1/4}e^{i(5\pi/6+2\pi)/4}=2^{1/4}e^{i17\pi/24}

2^{1/4}e^{i(5\pi/6+4\pi)/4}=2^{1/4}e^{i29\pi/24}

2^{1/4}e^{i(5\pi/6+6\pi)/4}=2^{1/4}e^{i41\pi/24}

7 0
3 years ago
Could someone pls help me out? Thank u so much
vesna_86 [32]

Answer:

$25

Step-by-step explanation:

c=30−(0.25)(20)

c=30+(−5)

c=(30+(−5)

30-5

Combine Like Terms

c=25

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3 years ago
Three positive integers have a mean of 5 and a range of 10.
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Answer:

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5 0
3 years ago
A certificate of deposit earns 1% interest every three months. The interest is compounded.
dsp73
A certificate of deposit earns 1% interest every three months. The interest is compounded.


What is the value of a $35,000 investment after 6 years?


$37,153.21

$39,438.88

$44,440.71

$56,295.30

A. 37,153.21
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3 years ago
Read 2 more answers
I need help? Can you please tell me
BaLLatris [955]

Answer:

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Step-by-step explanation:

7 0
2 years ago
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