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Dmitrij [34]
3 years ago
11

PLEASE HELP!!! GIVING BRAINLIEST!!! PLEASE AND THANK YOU! :D The questions are in the pic.

Mathematics
1 answer:
kenny6666 [7]3 years ago
7 0

Answer:

I believe it the second B because if you have a triangle with all the same sides two of the sides added together should be greater then the other side

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Solve the compound inequality and graph<br> Please help! :)
frozen [14]

Answer:

Step-by-step explanation:

x+4≥10 and x-6>-15

x≥10-4 and x>-15+6

x≥ 6 and x>-9

combining the two

x>-9

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CALC BC HELPPP!!!??? 100PTS!!!
lyudmila [28]

the assumption being that "x" is a plain variable whilst "y" is a function, that matters because the chain rule would be needed for a function, not so for a plain variable.

4x^2+4x+xy=5\implies 8x+4+\stackrel{\textit{product rule}}{\left( 1\cdot y+x\cdot \cfrac{dy}{dx} \right)}=0 \\\\\\ x\cfrac{dy}{dx}=-8x-4-y\implies \cfrac{dy}{dx}=\cfrac{-8x-4-y}{x}

now, we know that y(5) = -23, which is another way of saying that when x = 5, y = -23, but we already knew that, we can get that by simply plugging it into the equation hmmm y'(5), well

\left. \cfrac{dy}{dx}=\cfrac{-8x-4-y}{x} \right|_{\stackrel{x=5~}{\textit{\tiny y=-23}}}\implies \cfrac{-8(5)-4-(-23)}{5}\implies \cfrac{-21}{5}

8 0
3 years ago
if a class of 20 students 40% are boys. twenty-five percent often boys and 50% of the girls wear glasses. how many students wear
shtirl [24]
2 boys and 6 girls wear glasses, so 8 students wear glasses
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Whats The square root of 69?
Ber [7]

Square root of 69= 8.306624


check the answer

8.3^2= 8.3*8.3= 68.89

now round 68.89 = 69


I hope that's help!

6 0
3 years ago
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zmey [24]

Answer:

68

Step-by-step explanation:

6 0
3 years ago
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