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worty [1.4K]
3 years ago
8

Four friends contribute the sum of the money to a charitable organization in

Mathematics
1 answer:
slamgirl [31]3 years ago
8 0

Answer: 80

Step-by-step explanation: Please see attachment for explanation

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CALC BC HELPPP!!!??? 100PTS!!!
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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}

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3 years ago
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andriy [413]

Answer:

75th term in the sequence is 227.

Step-by-step explanation:

75 term of A.P is

a_75= a+ (n-1)d

Given series is 5,8,11,14.

hence a= 5 d= 8-5 = 3 , a_75.

a_75 = 5+(75-1)3

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3 years ago
Eli drove 856 miles on 29.4 gallons of gas what was his gas mileage rounded to the nearest mpg?
vekshin1

Answer: 29 miles per gallon.

Reasoning: 856 miles/29.4 gallons = 29.1156462585 (rounded to the nearest mile = 29)


Hope this helped!

5 0
3 years ago
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Answer:

how about no

Step-by-step explanation:

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