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Readme [11.4K]
3 years ago
6

Is it 84-10i? right? help??

Mathematics
1 answer:
igor_vitrenko [27]3 years ago
6 0

Answer:

uhh dude what's the question?

Step-by-step explanation:

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Ying Zyiyu covers the first 300 miles of a trip traveling at 60 mph. and the last hundred miles traveling at 40 mph. What was hi
UNO [17]

Answer:

53.33 mph

Step-by-step explanation:

Speed is the rate of change of distance with time. Mathematically,

speed = distance/time

and is measured in miles per hour or meter per second.

To get the average speed over the entire trip, we must get the total time  spent on trip and the total distance, then apply the speed formula

Time for the first 300 miles

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Time spent on the last 100

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Total time of the trip = 5 + 2.5

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Total distance covered

= 300 miles + 100 miles

= 400 miles

Average speed on the trip

= 400/7.5

= 53.33 miles per hour

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3 years ago
How many minutes are in 2/4 if an hour
Katyanochek1 [597]
2/4 of an hour is half an hour so 2/4 of an hour is 30 minutes. Hope it helps

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2 years ago
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a fireplace contains 46 bricks along its bottom row. if each row above decreases by 4 bricks, what is the function that shows th
m_a_m_a [10]
\bf n^{th}\textit{ term of an arithmetic sequence}\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
d=\textit{common difference}\\
----------\\
a_1=46\\
d=-4\\
n=12
\end{cases}
\\\\\\
a_{12}=46+(12-1)(-4)
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2 years ago
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Given the a center (-1, -2) and a radius r = 2. Identify the circle.
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Answer:

1st option

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