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1 year ago

PLSSS HELP IF YOU TURLY KNOW THISS

Mathematics

1 answer:

Leni [432]1 year ago

4 0

Answer:

Step-by-step explanation:

Co-efficient = number multiplied by a variable

The only number multiplied by a variable is 15, therefore, it's the co-efficient.

Learn more;work harder

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9e + 4 = — 5e + 14 - 13e

astra-53 [7]

Answer:

x=10/27

Step-by-step explanation:

just add the E's on one side than move over the other E than move 14 to the 4 by minusing it

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3 years ago

Another chance for brainliest if it correct ! Please help

frez [133]

Answer:

A B and C are true

Step-by-step explanation:

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3 years ago

Read 2 more answers

Someone help me to work this problem please

zhenek [66]

Answer:

m∠3 = 64°

Since angle 2 and 3 seem to be complementary angles, we know that the meaning of complementary angles is to add both angles to 90 degrees.

Subtract 90 by the known value to get the value of ∠3

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2 years ago

What is 8/12 + A/12=2/b

il63 [147K]

Answer:

the answer i got was a=−8b+24/b

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