3 years ago

Find BD. plz help me

Mathematics

1 answer:

mr Goodwill [35]3 years ago

6 0

Answer:

BD = 28

Step-by-step explanation:

BC and CD are within line BD, so add those to make up for the length of BD

21 + 7 = 28

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Find the simple interest. Principal $2300 rate 20% time 27 months The interest is $ ?

snow_tiger [21]

$\bf \qquad \textit{Simple Interest Earned}\\\\
I = Prt\qquad 
\begin{cases}
I=\textit{interest earned}\\
P=\textit{original amount deposited}\to& \$2300\\
r=rate\to 20\%\to \frac{20}{100}\to &0.20\\
t=years\to \frac{27}{12}\to &\frac{9}{4}
\end{cases}
\\\\\\
I=2300\cdot 0.2\cdot \cfrac{9}{4}$