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4 years ago

Really need your help

Mathematics

1 answer:

Crank4 years ago

3 0

1: (n + 10) +5

2: (n - 7) x 8

3: (n ÷ 3) -1

4: ([n - 8] x 6) - 10

5: (n - 1) - (2n)

6: [n x (-n)] + 7

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A parallelogram has sides lengths of 7inches and 11inches find the perimeter

MissTica

Answer:

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Step-by-step explanation:

7 * 2 = 14

11 * 2 = 22

14 + 22 = 36

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3 years ago

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Answer:

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Lady_Fox [76]

Answer:

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Step-by-step explanation:

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The solution of this equation is

$\dfrac{\pi}{3}+\theta=\pm \arccos \dfrac{1}{2}+2\pi k,\ \ k\in Z\\ \\\dfrac{\pi}{3}+\theta=\pm \dfrac{\pi}{3}+2\pi k,\ \ k\in Z\\ \\\theta =2\pi k,\ \ k\in Z\ \text{or}\ \theta=-\dfrac{2\pi}{3}+2\pi k,\ \ k\in Z$

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3 years ago

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if u mean what i think u mean the angles are the following...

acute

obtuse

right

straight!

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