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3 years ago

What’s the answer? Plz help

Mathematics

1 answer:

Alekssandra [29.7K]3 years ago

6 0

hi, an adjacent angle would be HGJ

hope this helps

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Infinite number ends with?

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Infinity never ends. It's more of a concept than a number.

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3 years ago

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Find the area of the shaded region

Levart [38]

Answer:

Answers below

Step-by-step explanation:

7. Area of shape - area of small shape

A(s) = 5*5 = 25 - A(ss) = 3 = 25-3 = 22

8. Area of shape - area of small shape

A(s) = 4*2 = 8 - A(ss) = 1 = 8-1 = 7

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3 years ago

King mattress purchases sleep-n-air mattresses from three different distributors. the probability of getting a defective mattres

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3 years ago

Find the exact value of cot 330° in simplest form with a rational denominator.

Hoochie [10]

Answer:

$\cot 330^{\circ} = -\sqrt{3}$

Step-by-step explanation:

The cotangent function can be rewritten by trigonometric relations, that is:

$\cot 330^{\circ} = \frac{1}{\tan 330^{\circ}} = \frac{\cos 330^{\circ}}{\sin 330^{\circ}}$ (1)

By taking approach the periodicity properties of the cosine and sine function (both functions have a period of 360°), we use the following equivalencies:

$\sin 330^{\circ} = \sin (-30^{\circ}) = -\sin 30^{\circ}$ (2)

$\cos 330^{\circ} = \cos (-30^{\circ}) = \cos 30^{\circ}$ (3)

By (2) and (3) in (1), we have following expression:

$\cot 330^{\circ} = -\frac{\cos 30^{\circ}}{\sin 30^{\circ}}$

If we know that $\sin 30^{\circ} = \frac{1}{2}$ and $\cos 30^{\circ} = \frac{\sqrt{3}}{2}$ , then the result of the trigonometric expression is:

$\cot 330^{\circ} = -\frac{\frac{\sqrt{3}}{2} }{\frac{1}{2} }$

$\cot 330^{\circ} = -\sqrt{3}$

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3 years ago

5x+7y=-14 solve for y

coldgirl [10]

<span>5x+7y=-14
7y = -5x - 14
y = -5/7(x) - 2

hope it helps</span>

7 0

4 years ago