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3 years ago

How to solve5n-16-8n=-10 step by step

Mathematics

1 answer:

Aleksandr [31]3 years ago

5 0

Answer:

n=-2

Step-by-step explanation:

answers are shown and pictured

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The answer should be jet streams. :)

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3 years ago

Given a circle with a radius of 0.85 meters, find the area of 1/3 of the circle. Use 3.14 for pi and round to the nearest hundre

olga_2 [115]

1/3 x pi x radius squared
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Answer:

1.) adding by 0.3, 2.) adding by 0.8, 3.) adding by 1.1

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3 years ago

Find the value of cos G rounded to the nearest hundredth.

Amiraneli [1.4K]

Answer:

$\sf \cos(G)=\dfrac{1}{2}$

Step-by-step explanation:

<u>Trigonometric ratios</u>

$\sf \sin(\theta)=\dfrac{O}{H}\quad\cos(\theta)=\dfrac{A}{H}\quad\tan(\theta)=\dfrac{O}{A}$

where:

$\theta$ is the angle
O is the side opposite the angle
A is the side adjacent the angle
H is the hypotenuse (the side opposite the right angle)

Given:

$\theta$ = G
A = GF = 2
H = EG = 4

$\implies \sf \cos(G)=\dfrac{2}{4}=\dfrac{1}{2}$

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2 years ago

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List any restrictions on the domain for the equation <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%2B9%7D%7Bx%2B2%7D%20" id="

frez [133]

For a fraction, if the denominator turns to 0, the fraction becomes undefined, and therefore, that's a restriction on a rational.

now, what values of "x" makes the denominator 0? let's check,

x+2 = 0

x = -2

so, if "x" ever becomes -2, then you'd get

$\bf \cfrac{x+9}{x+2}\implies \cfrac{x+9}{-2+2}\implies \implies \cfrac{-2+9}{-2+2}\implies \stackrel{und efined}{\cfrac{7}{0}}$

so, the domain, or values "x" can take on safely, are any real numbers EXCEPT -2.

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3 years ago