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2 years ago

Im toooo bad at math plz help

Mathematics

2 answers:

iogann1982 [59]2 years ago

8 0

This becomes 6/(4*11) because 1*6 is 6, and you bring 4 to 11 to get 4*11, this then becomes 44, now you have 6/44, your answer simplifies into 3/22, go further and you get a big decimal like 0.136… etc etc.

balandron [24]2 years ago

3 0

Answer:

-3/22

Step-by-step explanation:

Mulitiply straight across. Num * num/ denom * denom.

Now you have -6/44. Divide both by 2 to simplify into simipliest form.

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Nataly_w [17]

Answer:

x=2

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3 years ago

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Elanso [62]

Answer:

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Step-by-step explanation:

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2 years ago

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babunello [35]

Answer:

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3 years ago

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yuradex [85]

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2 years ago

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If $8700 is invested at 3% annual simple interest, how much should be invested at 6% annual simple interest so that the total ye

True [87]

First off, see how much 8700 as principal, yields at 3% APR
that is $\bf \qquad \textit{Simple Interest Earned}\\\\
I = Prt\qquad 
\begin{cases}
I=\textit{interest earned}\\
P=\textit{original amount deposited}\to& \$8700\\
r=rate\to 3\%\to \frac{3}{100}\to &0.03\\
t=years\to &1
\end{cases}$

it will yield some amount

subtract that amount from 393
the difference is how much the yield will be on the 6% investment
so

$\bf \qquad \textit{Simple Interest Earned}\\\\
I = Prt\quad 
\begin{cases}
I=\textit{interest earned}\\
P=\textit{original amount deposited}\to& \$8700\\
r=rate\to 3\%\to \frac{3}{100}\to &0.03\\
t=years\to &1
\end{cases}
\\\\\\
\implies \boxed{?}\\\\
-----------------------------\\\\
\textit{how much to invest at 6\%?}
\\\\\\
$

$\bf \qquad \textit{Simple Interest Earned}\\\\
(393-\boxed{?}) = Prt\quad 
\begin{cases}
I=\textit{interest earned}\\
P=\textit{original amount deposited}\to& \$\\
r=rate\to 6\%\to \frac{6}{100}\to &0.06\\
t=years\to &1
\end{cases}
\\\\\\
\textit{solve for "P", to see how much should the Principal be}\\\\
\textit{keep in mind that }P+\boxed{?}=393\leftarrow \textit{both yields added}$

6 0

2 years ago