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Mandarinka [93]
3 years ago
9

Can anyone help me please? I really need it.

Mathematics
1 answer:
Artemon [7]3 years ago
6 0
First you set f(x) and h(x) equal to each other. So 1/x+1=2x+3. Next, you multiply each side by 1 to cancel out the fraction. So now the answer is x+1=2x+3. Now subtract 1 from each side. X=2x+2. Subtract 2x from each side now. -2x=2. Divide by -2x and get the answer x= -1
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Y varies directly as x when x= 3 and y =12 find y when x =12
andrew-mc [135]
\bf \qquad \qquad \textit{direct proportional variation}\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad  y=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad  variation
\end{array}\\\\
-------------------------------\\\\
\textit{we know that }
\begin{cases}
x=3\\
y=12
\end{cases}\implies 12=k3\implies \cfrac{12}{3}=k\implies 4=k
\\\\\\
thus\qquad \boxed{y=4x}
\\\\\\
\textit{when x = 12, what is \underline{y}?}\qquad \qquad y=4(12)
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3 years ago
Solve for n.<br> 1–3n=<br> –<br> 9+n+2
iris [78.8K]

Answer:

Step-by-step explanation:

1-3n=-9+n+2 ---> -3n-n=-1+-9+2 --> -4n=-8 ---> n=2

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Anna11 [10]

Answer:

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Step-by-step explanation:

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Help please! 10+ points!! Include a diagram and solution :)
devlian [24]

Answer:

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Step-by-step explanation:

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Read 2 more answers
If the polynomial
erik [133]

Answer:

  • (C) - x

Step-by-step explanation:

<u>Given polynomial:</u>

  • x¹⁹ + x¹⁷ + x¹³ + x⁷ + x⁵ + x³

<u>Group as follows:</u>

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As we see all terms have (x² + 1) as factor apart from the last one.

It means the remainder is - x

Correct choice is C

3 0
3 years ago
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