Russell runs 9/10 mile in 5 minutes. How many miles does he run in one minute?

2 answers:

8 0

Russel runs 1.8 miles. Miles - 9 time - 5. You need to cross multiply 1 and 0.9, you get .9. Divide .9 by 5 to get your answer. 1.8 miles

Vikki [24]3 years ago

4 0

9/50 miles per minute. You do 9/10 divided by 5. You can't divide so you get 9/10*1/5=9/50. Hope this helps!

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Solve the system of equations. 5y-4x = -7 2y+4y = 14

timofeeve [1]

Answer:

5y-4x= -7 :

Slope = $\frac{1.600}{2.000}$ = 0.800

x - intercept = $\frac{7}{4}$ = 1.75000

y - intercept = - $\frac{7}{5}$ = -1.40000 <------both of these numbers a negative

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2y+4y = 14 :

y = $\frac{7}{3}$ = 2.333

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Hope this helped & good luck <333

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2 years ago

How much simple interest would 1000 earn in 275 days at an interest rate of 4.21%

nikitadnepr [17]

Now, there are 365 (excluding leap years) in a year, so, 275 days is not even a year, but is 275/365 of a year, or 55/73 of a year.

$\bf \qquad \textit{Simple Interest Earned}\\\\
I = Prt\qquad 
\begin{cases}
I=\textit{interest earned}\\
P=\textit{original amount deposited}\to& \$1000\\
r=rate\to 4.21\%\to \frac{4.21}{100}\to &0.0421\\
t=years\to \frac{275}{365}\to &\frac{55}{73}
\end{cases}
\\\\\\
I=1000\cdot 0.0421\cdot \cfrac{55}{73}$

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