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3 years ago

ILL MARK BRAINLIST

Mathematics

2 answers:

Alik [6]3 years ago

7 0

Answer:

vertical angles

Step-by-step explanation:

hope this helps

Mkey [24]3 years ago

5 0

Answer:

vertical angles

Step-by-step explanation:

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on monday delias family drives 45 1/3 miles each hour.if they travel for 9 hours how many miles do they travel altogether?

Oliga [24]

The answer is 408 miles

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3 years ago

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Ahat [919]

Answer:

155

Step-by-step explanation:

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2 years ago

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For which value of theta is cot theta equal to cos theta?

Oksi-84 [34.3K]

Answer:

$\frac{cos \theta}{sin \theta}= cos \theta$

If we multiply by cross we got:

$cos \theta = sin \theta cos \theta$

We can divide both sides of the last equation by $cos \theta$ and we got:

$sin \theta = 1$

And if we apply arcsin in both sides we got:

$\theta = arcsin (1) = \frac{\pi}{2}$

And the best solution would be:

C) pi/2

Step-by-step explanation:

For this case we want to solve the following equation:

$cot \theta = cos \theta$

And we know that by definition $cot \theta = \frac{cos \theta}{\sin \theta}$

And replacing we got:

$\frac{cos \theta}{sin \theta}= cos \theta$

If we multiply by cross we got:

$cos \theta = sin \theta cos \theta$

We can divide both sides of the last equation by $cos \theta$ and we got:

$sin \theta = 1$

And if we apply arcsin in both sides we got:

$\theta = arcsin (1) = \frac{\pi}{2}$

And the best solution would be:

C) pi/2

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2 years ago

Please help me on this math question

vladimir1956 [14]

16 oz because if you do 48/16 you get 3 and 4 times $4.87 equals less then 13.97

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3 years ago

Solve tan2A - 2tanA = -1

ikadub [295]

Ill assume it is :-

tan^2 A - 2 tan A + 1 = 0
(tan A - 1)^2 = 0
tan A = 1

m < A = 45, 225 degrees ( where 0 < m A < 360 )

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2 years ago