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3 years ago

7

All positive numbers not including 0

1 answer:

Leno4ka [110]3 years ago

4 0

1,2,3,... they are also known as the Natural Numbers

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Find AuB and AnB for the sets A and B.<br> A={3, 4, 5, 6, 7), B = {4, 6, 8, 10)

kvv77 [185]

Answer:

AuB= {3,4,5,6,7,8,10}

AnB= {4,6}

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2 years ago

A teacher polled only the 8th grade students in English classrooms on what their favorite color is. She found that the favorite

Sergeeva-Olga [200]

Self-selected sample

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2 years ago

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The range of the following relation R {(3, −2), (1, 2), (−1, −4), (−1, 2)}

Oxana [17]

I think the rang numbers are -2 , 2 , -4 , and 2. i hope that correct.

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3 years ago

Find the six trigonometric function values for angle ∅ where its adjacent side is -9 and its hypotenuse is 41. (Theta is located

arsen [322]

Check the picture below.

$\bf \textit{using the pythagorean theorem}
\\\\
c^2=a^2+b^2\implies \sqrt{c^2-a^2}=b
\qquad 
\begin{cases}
c=hypotenuse\\
a=adjacent\\
b=opposite\\
\end{cases}
\\\\\\
\sqrt{41^2-(-9)^2}=b\implies \sqrt{1681-81}=b\\\\\\ \sqrt{1600}=b\implies 40=b\\\\
-------------------------------$

$\bf sin(\theta )=\cfrac{\stackrel{opposite}{40}}{\stackrel{hypotenuse}{41}}\qquad~~ cos(\theta )=\cfrac{\stackrel{adjacent}{-9}}{\stackrel{hypotenuse}{41}}\qquad~~ tan(\theta )=\cfrac{\stackrel{opposite}{40}}{\stackrel{adjacent}{-9}}
\\\\\\
csc(\theta )=\cfrac{\stackrel{hypotenuse}{41}}{\stackrel{opposite}{40}}\qquad ~~sec(\theta )=\cfrac{\stackrel{hypotenuse}{41}}{\stackrel{adjacent}{-9}}\qquad ~~cot(\theta )=\cfrac{\stackrel{adjacent}{-9}}{\stackrel{opposite}{40}}$

3 0

3 years ago

Help!!!!! I'm timed!!!!!

djverab [1.8K]

Answer:

Option C, $28$

Step-by-step explanation:

$2\sqrt{98} * 2$

$2\sqrt{7^2*2} *\sqrt{2}$

$14\sqrt{2} * \sqrt{2}$

$14*2$

$28$

Answer: Option C, $28$

5 0

3 years ago