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Tju [1.3M]
3 years ago
11

Caroline wants to give 8 equal packets of sunflower seeds to her friends. She has 1/2 pound of sunflower seeds. How much will ea

ch packet of seeds weigh?
Mathematics
1 answer:
zimovet [89]3 years ago
3 0
What she has to do is divide her amount of sunflower seeds into the number of packages that she needs: so 1/2 pounds into 8:

\frac{1}{2}:8= \frac{1}{2*8}= \frac{1}{15}

-if we divide a fraction, we can multiply the denominator by the number we want to divide it by.


This is the correct answer, each packet will weight 1/15 of a pound, that is one ounce
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we can also use just one another point... say 1.4, 4.6

\bf \qquad \textit{parabola vertex form}\\\\
\begin{array}{llll}
y=a(x-{{ h}})^2+{{ k}}
\end{array} \qquad\qquad  vertex\ ({{ h}},{{ k}})\\\\
-------------------------------\\\\

\bf \begin{cases}
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\end{cases}\implies y=a(x-0.9)^2+5.9
\\\\\\
\begin{cases}
\textit{another point}\\
x=1.4\\
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thus\qquad \qquad \boxed{y=-5.2(x-0.9)^2+5.9}
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From the given picture,

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y=\sqrt{x+3}-1\\\\The\ domain:\\\\x+3\geq0\qquad\text{subtract 3 from both sides}\\\\x\geq-3\to x\in[-3,\ \infty)\\\\The\ range:\\\\\sqrt{x+3}\geq0\qquad\text{subtract 1 from both sides}\\\\\sqrt{x+3}-1\geq-1\\\\y\geq-1\to y\in[-1,\ \infty)

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