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3 years ago

Write the quadratic equation in standard form: x^2+x=-4x^2+16

Mathematics

1 answer:

Rainbow [258]3 years ago

4 0

Answer

-3 $x^{2}$ + $x$ +16=0

Step-by-step explanation:

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Prove the identity 2csc2x=csc^2xtanz

Verizon [17]

Step-by-step explanation:

Consider the LHS, after the 5th step, consider the RHS

$2 \csc(2x) = \csc {}^{2} (x) \tan(x)$

$2 \frac{1}{ \sin(2x) } = \csc {}^{2} (x) \tan(x)$

$2 \times \frac{1}{2 \sin(x) \cos(x) } = \csc {}^{2} (x) \tan(x)$

$\frac{1}{ \sin(x) \cos(x) } = \csc {}^{2} (x) \tan(x)$

$\csc(x) \sec(x) = \csc {}^{2} (x) \tan(x)$

Consider the RHS

$\csc(x) \sec(x) =( 1 + \cot {}^{2} (x) ( \tan(x))$

$\csc(x) \sec(x) = \tan(x) + \cot(x)$

$\csc(x) \sec(x) = \frac{ \sin(x) }{ \cos(x) } + \frac{ \cos(x) }{ \sin(x) }$

$\csc(x) \sec(x) = \frac{1}{ \sin(x) \cos(x) }$

$\csc(x) \sec(x) = \csc(x) \sec(x)$

7 0

2 years ago

Helpmepleaseandthankyou

tamaranim1 [39]

Answer:

Read below

Step-by-step explanation:

a) $\frac{-7}{9} = -\frac{7}{9} = \frac{7}{-9}$

b) $\frac{4}{3} =\frac{-4}{-3}$ (The reason both numerator and denominator can both be negative is because the negative cancel each other out and still simplify to $\frac{4}{3}$ )

6 0

3 years ago

Read 2 more answers

What is x exponent 2 + 3x - 4 = 6X

MAVERICK [17]

The answer is -2/3(-0.6)

8 0

3 years ago

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On average the number of drum sets sold in Michigan each year is 96,537, which is seven times the average number of drum sets so

Harman [31]

Answer:

13791

Step-by-step explanation:

Take 96,537 and divide by 7

6 0

4 years ago

I am so confused. Help.

natulia [17]

$\large\sf\underline{ANSWER:}$

<u>√3</u>

x is the length of the third side

x²+1² = 2² { Pythagorean Theorem}

x²+1 = 4 {Simplify}

x²=3 {Subtract 1 from each side}

x=√3 {Take the square root of each side}

The Length of the third side is √3

# $\large\sf\underline{CarryOnLearning}$

4 0

2 years ago

Write the quadratic equation in standard form: x^2+x=-4x^2+16​

Write the quadratic equation in standard form: x^2+x=-4x^2+16