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3 years ago

12

What are complementary and supplementary angles

2 answers:

vfiekz [6]3 years ago

6 0

Answer:

Complementary angles are a pair of angles that sum up to 90 degrees. Supplementary angles are a pair of angles that sum up to 180 degrees.

Step-by-step explanation:

Diano4ka-milaya [45]3 years ago

6 0

Answer:

It would help if you would give more detail

Step-by-step explanation:

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Help please; I need the right answer

Ad libitum [116K]

Answer:

C.

Step-by-step explanation:

$\cos x+\sqrt{2}=-\cos x \\ 2\cos x = -\sqrt 2 \\ \cos x = -\dfrac{\sqrt 2}{2}\\ \\ \Rightarrow x = \pm \arccos\Big(-\dfrac{\sqrt 2}{2}\Big)+2k\pi,\quad x\in \mathbb{Z}\\ \Rightarrow x =\pm\dfrac{3\pi}{4}+2k\pi\\ \\ \\k = -1 \Rightarrow x < 0\\\\ k=0 \Rightarrow x 2\pi$

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4 years ago

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A/50 = 3/5 Solve for “a” by cross multiplying then divide.

garik1379 [7]

Answer:

a = 30

Step-by-step explanation:

a/ 50 = 3/5

Using cross products

a*5 = 50 *3

5a = 150

Divide each side by 5

5a/5 = 150/5

a = 30

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3 years ago

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Someone please answer math algebra

Stolb23 [73]

Answer:

$x - 12 \\ coefficent = 1 \\ constant = - 12 \\ thnk \: you$

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3 years ago

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A bank is offering 3.5% simple interest on a savings account. If you deposit

arsen [322]

Answer: $525

Step-by-step explanation:

The formula for Simple interest is calculated as PRT where

P = Principal = $7500

R = Rate = 3.5%

T = Time = 2 years

Interest = PRT

= 7500 × 3.5% × 2

= 7500 × 0.035 × 2

= $525

5 0

3 years ago

The side lengths for \thetaθ are opposite = 8, adjacent = 6, hypotenuse = 10.

Simora [160]

What angles are you looking at?,
well one one angle is cos⁻¹∅=8/10 = cos⁻₁=0.8= 36.9
and the other angle is sin⁻¹∅=53.1

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3 years ago