3 years ago

You are saving up money to buy a new ipad. You begin with $25, and are able to save $40 each month. Write an

Mathematics

1 answer:

yawa3891 [41]3 years ago

4 0

Answer:

567

Step-by-step explanation:

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Which scatter plot shows a linear association? <br><br> A or B

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3 years ago

Just an answer and simple explanation! Thank you.

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Step-by-step explanation:

If CD and DE equal, then x+6 = 4x -21

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3 years ago

the vertex of this parabola is at (3,5). When the y-value is 6, the x-value is -1. What is the coefficient of the squared term i

otez555 [7]

Now, assuming is a vertical parabola, so the squared variable is the "x", let's do some checking.

$\bf \qquad \textit{parabola vertex form}\\\\
\begin{array}{llll}
\boxed{y=a(x-{{ h}})^2+{{ k}}}\\\\
x=a(y-{{ k}})^2+{{ h}}
\end{array} \qquad\qquad vertex\ ({{ h}},{{ k}})\\\\
-------------------------------\\\\
vertex
\begin{cases}
h=3\\
k=5
\end{cases}\implies y=a(x-3)^2+5
\\\\\\
\textit{we also know that }
\begin{cases}
y=6\\
x=-1
\end{cases}\implies 6=a(-1-3)^2+5
\\\\\\
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3 years ago