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Morgarella [4.7K]
3 years ago
8

A train left Denver, Colorado at 12:00 going 250 kilometers per hour. How long will it take the train to get to Chicago, Illinoi

s if the train took a 2 hour stop every 250 kilometers?
Mathematics
1 answer:
Allushta [10]3 years ago
8 0
It will be about 12:55ish at night if the train starts in the day
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densk [106]
K(cannot equal (the = sign with the line through it) -2
k(=/)-2

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3 years ago
1. Is it proportional?
astra-53 [7]

Answer:

Y=5(x) Yes it is porportional.

Step-by-step explanation:

So lets look at the graph.

We first have 1x = 5y

Well, that makes it seem like for each x there are 5 y.

Lets see the other values:

2x = 10y

Divide both sides by 2 tog et x alone:

1x=5y

Again, for each x, there are 5y.

This is true for each one:

3x=15y

=

1x=5y

4x=20y

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1x=5y

5x=25y

=

1x=5y

and finally:

6x=30y

=

1x=5y.

So yes, this is poroportional.

It can be shown as x=5y, since for a single x, there are 5 y's.

Hope this helps!

5 0
3 years ago
This circle is circumscribed about quadrilateral ABCD. What is the value of x?
worty [1.4K]

Answer:

The value of x is 56°

Step-by-step explanation:

Given that opposite angles in a cyclic quadrilateral is add up to 180°. So in order to find x, you have to write an expression in terms of x :

97  + x + 27 = 180

x + 124 = 180

Next you have to solve it by substracting 124 to both sides :

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6 0
3 years ago
How much more interest is owed on $900 for 9 months then for 6 months? 6 months = 2.4% rate 9 months = 2.9% rate
stiv31 [10]
Keeping in mind that 6 months is not even a year, since there are 12 months in a year, then 6 months is really 6/12 years, and 9 months is 9/12 years, then


\bf ~~~~~~ \textit{Simple Interest Earned on 9 months}\\\\
I = Prt\qquad 
\begin{cases}
I=\textit{interest earned}\\
P=\textit{original amount deposited}\to& \$900\\
r=rate\to 2.9\%\to \frac{2.9}{100}\to &0.029\\
t=years\to \frac{9}{12}\to &\frac{3}{4}
\end{cases}
\\\\\\
I=900(0.029)\left( \frac{3}{4} \right)\\\\
-------------------------------

\bf ~~~~~~ \textit{Simple Interest Earned on 6 months}\\\\
I = Prt\qquad 
\begin{cases}
I=\textit{interest earned}\\
P=\textit{original amount deposited}\to& \$900\\
r=rate\to 2.4\%\to \frac{2.4}{100}\to &0.024\\
t=years\to \frac{6}{12}\to &\frac{1}{2}
\end{cases}
\\\\\\
I=900(0.024)\left( \frac{1}{2}\right)

check their difference, that much.
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Elimina los signos de agrupacion y resuelve la suma de enteros 4+{+5+[-3+4+(-7+4)+4]+2
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I think that is the right!

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