$\bf \qquad \textit{Amount for Exponential Growth}\\\\
A=I(1 + r)^t\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
I=\textit{initial amount}\to &3500\\
r=rate\to 2.3\%\to \frac{2.3}{100}\to &0.023\\
t=\textit{elapsed time}\to &10\\
\end{cases}
\\\\\\
A=3500(1+0.023)^{10}$

8 0

4 years ago

A scale drawing of a door is 2 cm high. If the scale is 1 cm = 4 meters, what is the actual height of the door?

Vanyuwa [196]

2*4= 8 meters

You could multiply every centimeter by the scale of 4 because 1 cm= 4 meters.

I hope this helps!
~kaikers

4 0

3 years ago

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If RS=8y+4 , ST=4y+8 , and RT=15y-9, find RS, ST, and RT<br> someone please help me

Talja [164]

$RS+ST=RT\\\\
RS=8y+4\\
RT=15y-9\\
ST=4y+8\\\\
8y+4+4y+8=15y-9\\
12y+12=15y-9\ \ \ |Subtract\\
12y=15y-9-12\\
12y=15y-21\ \ \ | Subtract\ 15y\\
12y-15y=-21\\
-3y=-21 \ \ |Divide\ by\ (-3)\\
y=7\\\\
RS=8y+4=8*7+4=56+4=60\\
RT=15y-9=15*7-9=105-9=96\\
ST=4y+8=4*7+8=28+8=36$

7 0

4 years ago

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