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2 years ago

Identify the equations as parallel lines, perpendicular lines, or neither.

Mathematics

1 answer:

alisha [4.7K]2 years ago

5 0

Answer:

its parallel

Step-by-step explanation:

here is your answer if you like my answer please follow

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If the measure of angle 4 is (11x) and angle 3 is (4x) what is the measure of angle 3 in degrees

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Step-by-step explanation:

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3 years ago

3x^2-14x=5 Show work too

NemiM [27]

Move all terms to one sides

3x^2 - 14x - 5 = 0

Split the second term in 3x^2 - 14x - 5 into two terms

3x^2 + x - 15x - 5 = 0

Factor out the common terms in the first two terms, then in the last two terms;

x(3x + 1) - 5(3x + 1) = 0

Factor out the common term 3x + 1

(3x + 1)(x - 5) = 0

Solve for x;

x = -1/3, 5

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4 years ago

Roger is a great pitcher. He strikes out 1 out of every 3 batters he faces. If he faces 18 batters in one game, about have many

zepelin [54]

He will strike out 6 batters in that game

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3 years ago

Read 2 more answers

-2.75 + ( -3.25 ) + 5

andreev551 [17]

-2.75 + ( -3.25 ) + 5 equal -1 for this problem.

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4 years ago

Read 2 more answers

Arrange the matrices in increasing order of their determinant values.

Anuta_ua [19.1K]

Answer:

c, a, b

Step-by-step explanation:

Given

See attachment for matrices

(a)

$D = \left[\begin{array}{cc}\cos\theta &\sin\theta\\ -\sin\theta& \cos\theta\\\end{array}\right]$

The determinant of the matrix is:

$|D |= (\cos\theta * \cos\theta - \sin\theta *- \sin\theta)$

$|D | = \cos^2\theta + \sin^2\theta$

Using trigonometry ratio, we have:

$|D | = 1$

(b)

$\left[\begin{array}{ccc}2&0\\0&2\end{array}\right]$

The determinant of the matrix is:

$|D| = 2 * 2 - 0 * 0$

$|D| = 4 - 0$

$|D| = 4$

(c)

$\left[\begin{array}{ccc}0&i\\-i&0\end{array}\right]$

The determinant of the matrix is:

$|D| = 0 * 0 -(-i * i)$

$|D| = 0 +i^2$

$|D| = i^2$

In complex numbers

$i^2 = -1$

So:

$|D| = -1$

So, the order of the determinants is: c, a, b

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3 years ago