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Dmitry_Shevchenko [17]
3 years ago
5

Hi,there,can you solve this equation. 4x*sqrt(2x-x²)=2x-1

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

Answer:

Step-by-step explanation:

4x*sqrt(2x-x²)=2x-1

sqrt(2x-x²)=(2x-1)/4x

2x-x² = 4x^2 -4x + 1 /(16x^2)

32x^3 - 16x^4 =  4x^2 -4x + 1

-16x^4+32x^3-4x^2+4x-1=0\\

x  = 1.92887

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Kazeer [188]

Answer:

see below

Step-by-step explanation:

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5 0
3 years ago
Solve the equation p^2 + 4p = 1 by completing the square.
igor_vitrenko [27]

Answer:

p = -2 ±sqrt( 5)

Step-by-step explanation:

p^2 + 4p = 1

Take the coefficient of p

4

Divide by 2

4/2 =2

Square it

2^2 = 4

Add it to each side

p^2 + 4p+4 = 1+4

(p+2) ^2 = 5

Take the square root of each side

sqrt((p+2) ^2) =±sqrt( 5)

p+2 = ±sqrt( 5)

Subtract 2 from each side

p+2-2 = -2 ±sqrt( 5)

p = -2 ±sqrt( 5)

7 0
3 years ago
A smaller square is located inside a larger square. the length of the smaller square is 7 cm, and the length of the square is 12
patriot [66]
Let S=larger square side and s=smaller square side.  The area between the larger and smaller is simple the larger area minus the smaller area.  The area of any square being s^2.  So our remaining area is:

A=S^2-s^2

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3 years ago
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vagabundo [1.1K]

Answer:

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8 0
3 years ago
Read 2 more answers
--8x < 32. How can I solve this
Vlada [557]

Answer:

<u>Divide by -8</u> on both sides. <u>Flip</u> the inequality.

Step-by-step explanation:

You didn't provide any answer choices, but here's how you would solve this:

-8x < 32\\\\\frac{-8x}{-8} < \frac{32}{-8}\\ \\x > -4

Notice that because we divided by a negative, the inequality sign must flip in the other direction!

4 0
2 years ago
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