4 years ago

I need help so bad does anyone know this

Mathematics

1 answer:

KATRIN_1 [288]4 years ago

5 0

Answer: line C is the correct answer. please mark brainliest

Step-by-step explanation:

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Write the given expression as a single trigonometric function.

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Answer:

sin(3pi/4)

Step-by-step explanation:

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2 years ago

The sum of a number and 6 is at least 15

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4 years ago

How to tell if two lines are perpendicular

katrin [286]

ANSWER

The two lines are perpendicular if $m_1 \times m_2 = - 1$

EXPLANATION

Given two lines:

$y=m_1x+b_1$

and

$y=m_2x+b_2$

We can tell wether these two lines are perpendicular to each other using their slopes.

If the product of their slopes is -1, the then the two line are perpendicular.

For example:

The line

$y = 2x + 6$

has slope

$m_1= 2$

and the line

$y = - \frac{1}{2} x + 1$

has slope

$m_2 = - \frac{1}{2}$

The product of the two slopes is

$m_1 \times m_2 = 2 \times - \frac{1}{2}$

This implies that:

$m_1 \times m_2 = - 1$

Therefore the two lines are perpendicular.

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3 years ago

Will give brainly to second person who answers this

Pavel [41]

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Solve for x 6(2x - 5) = -(x + 4)

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Answer:

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Step-by-step explanation:

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I need help so bad does anyone know this ​

I need help so bad does anyone know this