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valina [46]
2 years ago
15

PLEASE HELP ME PLEASEEEE. NO LINKS OR YOU WILL BE REPORTED! Please answer it and show the work you did, or you can attach a phot

o if you work it out in your book. Please help, I will give Brainiest.

Mathematics
1 answer:
Fantom [35]2 years ago
3 0

Answer:

Just use photo math

Step-by-step explanation:

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the cost of running an appliance varies jointly as the number of watts used, the hours of operation, and the cost per kilo-watt
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Suppose:
C=cost
c=cost per kilo-watt hour
w=number of watts
h=number of hours
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where:
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but
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A tank holds 1,000 gallons of syrup. Danielle filled 65 5-gallon cans with syrup. How much syrup was left in the tank when she f
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What simple interest rate is needed for $6,000 to earn $1,000 in 15 months
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let's recall that a year has 12 months, so 15  months is really 15/12 years.

\bf ~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\dotfill&\$1000\\ P=\textit{original amount deposited}\dotfill & \$6000\\ r=rate\to r\%\to \frac{r}{100}\\ t=years\to \frac{15}{12}\dotfill &\frac{5}{4} \end{cases}

\bf 1000=(6000)r\left( \cfrac{5}{4} \right)\implies 1000=7500r\implies \cfrac{1000}{7500}=r\implies \cfrac{2}{15}=r \\\\\\ \stackrel{\textit{converting that to a percentage}}{\cfrac{2}{15}\cdot 100 = r\implies \cfrac{40}{3}=r}\implies \stackrel{\%~\hfill }{13.\overline{3}}=r

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