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2 years ago

Find the midpoint of the line segment with the given endpoints (-4,4),(-2,2)

Mathematics

1 answer:

Bingel [31]2 years ago

3 0

Answer:

(-3,3)

Step-by-step explanation:

use the midpoint formula

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Math problem help please

diamong [38]

Answer:

I say B.

Step-by-step explanation:

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2 years ago

HELP PLEASE!!!

givi [52]

The answer is C because:
It is keeping it identity through the multiplication.

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2 years ago

No link please……. Enter the value of b when the expression 30.4x + b is equivalent to 3.4 (6x-3.1)

TiliK225 [7]

Answer:

Step-by-step explanation

sped

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2 years ago

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I need help with this...who can help me?

mars1129 [50]

Answer:

Step-by-step explanation:

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3 years ago

Cos(-170°) = _____<br><br> -cos10°<br> cos10°<br> cos(-10°)

ikadub [295]

<em>The right answer for:</em>

<h2>Explanation:</h2>

The cosine function is an even function, which means that for every point $(x,y)$ on the graph of $y=cos(x)$ then the point $(-x,y)$ also lies on the graph of the function. In other words, we can write:

$cos(-170^{\circ})=cos(170^{\circ})$

But:

$170^{\circ}=180^{\circ}-10^{\circ}$

So:

$cos(170^{\circ})=cos(180^{\circ}-10^{\circ})$

By property:

$cos(a-b)=cosacosb+sinasinb \\ \\ a=180^{\circ} \\ \\ b=10^{\circ} \\ \\ cos(170^{\circ} )=cos(180^{\circ} -10^{\circ})=cos180^{\circ} cos10^{\circ} +sin180^{\circ} sin10^{\circ} \\ \\ cos(170^{\circ})=-cos(10^{\circ})+0 \\ \\ \boxed{cos(170^{\circ})=-cos(10^{\circ})}$

<h2>Learn more:</h2>

Trigonometric functions: brainly.com/question/2680050

#LearnWithBrainly

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3 years ago