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trasher [3.6K]
3 years ago
10

HELP ME THIS IS A TEST!!!! 35 POINTS!!! PLEASE!

Mathematics
2 answers:
enot [183]3 years ago
8 0

Answer:

11.25 or 11 1/4

Step-by-step explanation:

Find the SF which is 4/3.

Then cross multiply and solve for x.

slavikrds [6]3 years ago
6 0

Answer:

<em />\sqrt[n]{x} \sqrt[n]{x} \int\limits^a_b {x} \, dx  \lim_{n \to \infty} a_n \left[\begin{array}{ccc}1&2&3\\4&5&6\\7&8&9\end{array}\right] x_{123}<em />

  1. <em>11.25∑∑∑∑∉δΔχ</em>

Step-by-step explanation:

hope i helped you!!!

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An earthquake wave travels through 55 km of rock in 25 seconds.
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Read 2 more answers
The Turtle and Achilles compete. They start at the same time from the same place. Achilles runs at a speed of 13 mph while the T
grandymaker [24]

Answer:

2 minutes.  

Step-by-step explanation:

Let t be the time taken in competition and the distance covered by Achilles be x miles.

We have been given that when Achilles reaches the finish line, the Turtle is 2/5 of a mile behind him. This means that distance covered by turtle will be: x-\frac{2}{5}.

Achilles runs at a speed of 13 mph while the Turtle moves at a speed of 1 mph.

Since we know that \text{Time}=\frac{\text{Distance}}{\text{Speed}}, so we can set two equations for time taken by Achilles and turtle as:

t=\frac{x}{13}...(1)

t=\frac{(x-\frac{2}{5})}{1}...(2)

From equation (1) we will get,

x=13t

Upon substituting this value in equation (2) we will get,

t=\frac{13t-\frac{2}{5}}{1}    

Let us have a common denominator.  

t=\frac{\frac{65t-2}{5}}{1}

t=\frac{65t-2}{5}

Upon multiplying both sides of our equation by 5 we will get,

5t=5\times \frac{65t-2}{5}

5t=65t-2

5t-65t=65t-65t-2

-60t=-2

t=\frac{-2}{-60}

t=\frac{1}{30}

So, the competition took 1/30 hour, let us convert our given time in minutes.

\frac{1}{30}\text{ hour}\times \frac{60\text{ minutes}}{\text{hour}}

\frac{1}{30}\times 60\text{ minutes}

2\text{ minutes}  

Therefore, the competition took 2 minutes.


8 0
3 years ago
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