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Aleks [24]
3 years ago
10

If 1/a and a/2.23 are two real numbers included between 0 and 1, then a =

Mathematics
1 answer:
fgiga [73]3 years ago
7 0

Answer: 2

Step-by-step explanation:

theres a chance i could be right

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y = cos 2/3 x

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Please help with the attached photo.
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The solution to the equation r(1 - 2cosФ) = 1 is given as x² + y² - 4x√(x² + y²)  + 4x² = 1

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

In polar form:

r = √(x² + y²) and cosФ = x / √(x² + y²)

Hence:

r(1 - 2cosФ) = 1

√(x² + y²) [1 - 2(x / √(x² + y²))] = 1

√(x² + y²) - 2x = 1

Take square of both sides:

x² + y² - 4x√(x² + y²)  + 4x² = 1

The solution to the equation r(1 - 2cosФ) = 1 is given as x² + y² - 4x√(x² + y²)  + 4x² = 1

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2 years ago
Algebraic fractions<br> x² + 5x+4 /<br> x²+ 4x + 3
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Answer:

\frac{x+4}{x+3}

Step-by-step explanation:

Given

\frac{x^2+5x + 4}{x^2+4x+3} ← factor numerator and denominator

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= \frac{x+4}{x+3}

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irakobra [83]

Answer:

I got 27\sqrt{3} which is 46.76537.... in decimal form.

Step-by-step explanation:

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