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klasskru [66]
3 years ago
10

12 points!! Help please

Mathematics
2 answers:
Ket [755]3 years ago
6 0

Answer:

It would be B. Mr. Connor would drive 207 miles altogether on Monday and Tuesday! :)

Step-by-step explanation:

Add 129 + 78 = ???

german3 years ago
3 0

Answer:

using addition it would be 207

Step-by-step explanation:

use addition

 1 1

 129

 +78

______         carry over the 2 ones

 207

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How far do kala live from the mountains
Alborosie
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let's say the rate of speed for Kala was "r" on the way over to the mountains.

Now, on the way over, it took 8 hours due to heavy traffic, whilst on the way back it took only 5 hours since there was no traffic.

The distance covered, say "d" miles, is the same on the way over as well as on the way back.

\bf \begin{array}{lccclll}
&\stackrel{miles}{distance}&\stackrel{mph}{rate}&\stackrel{hours}{time}\\
&------&------&------\\
\textit{to the mountains}&d&r&8\\
\textit{to back home}&d&r+21&5
\end{array}
\\\\\\
\begin{cases}
d=8r\implies \frac{d}{8}=\boxed{r}\\
d=5(r+21)\\
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d=5\left(\boxed{\frac{d}{8}}+21  \right)
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\\\\\\
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5 0
3 years ago
The volume of a sphere is decreasing at a constant rate of 5517 cubic centimeters per minute. At the instant when the volume of
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Step-by-step explanation:

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Given:
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Therefore, lines A and D are perpendicular to one another :)

</span>
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4 years ago
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