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serious [3.7K]
3 years ago
13

A tortoise is walking in the desert. It takes

Mathematics
2 answers:
Mrac [35]3 years ago
6 0
62.5meters/5minutes=12.5m/min
harkovskaia [24]3 years ago
4 0
If speed is written as meters/second and we have 62.5 meters waked/over 5 mins, but we want this per minuet so lets reduce everything by 5 resulting in 12.5/1 or 12.5 meters every min.
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(x^2 - x^(1/2))/(1-x^(1/2))
Levart [38]
\frac { \left( { x }^{ 2 }-{ x }^{ \frac { 1 }{ 2 }  } \right)  }{ \left( 1-{ x }^{ \frac { 1 }{ 2 }  } \right)  }

\\ \\ =\frac { \left( { x }^{ 2 }-\sqrt { x }  \right)  }{ \left( 1-\sqrt { x }  \right)  } \cdot 1

\\ \\ =\frac { \left( { x }^{ 2 }-\sqrt { x }  \right)  }{ \left( 1-\sqrt { x }  \right)  } \cdot \frac { \left( 1+\sqrt { x }  \right)  }{ \left( 1+\sqrt { x }  \right)  }

\\ \\ =\frac { { x }^{ 2 }+{ x }^{ 2 }\sqrt { x } -\sqrt { x } -x }{ 1+\sqrt { x } -\sqrt { x } -x }

\\ \\ =\frac { -\sqrt { x } \left( 1-{ x }^{ 2 } \right) -x\left( 1-x \right)  }{ \left( 1-x \right)  }

\\ \\ =\frac { -\sqrt { x } \left( 1+x \right) \left( 1-x \right) -x\left( 1-x \right)  }{ \left( 1-x \right)  }

\\ \\ =\frac { \left( 1-x \right) \left\{ -\sqrt { x } \left( 1+x \right) -x \right\}  }{ \left( 1-x \right)  }

\\ \\ =-\sqrt { x } \left( 1+x \right) -x\\ \\ =-{ x }^{ \frac { 1 }{ 2 }  }\left( 1+{ x }^{ \frac { 2 }{ 2 }  } \right) -x

\\ \\ =-{ x }^{ \frac { 1 }{ 2 }  }-{ x }^{ \frac { 3 }{ 2 }  }-x\\ \\ =-\sqrt { x } -\sqrt { { x }^{ 3 } } -x
3 0
3 years ago
Read 2 more answers
Solve equation <br><br> 2l-3l-6^2
Zina [86]
The answer is -30. The absolute value of -3 is 3. Then you evaluate the power of 6 to the power which is 36. Next you multiply the numbers 2 x 3 which is 6. Then calculate the two numbers left over 6 - 36 which is -30.
8 0
3 years ago
John works for four hours at $15/hour. he then buys two CD's at $13.25 each. how much money does John have left
Travka [436]
$15 x 4 hrs = $60 in wages.

$13.25 x 2CD's = $26.50.

$60 - 26.50 = $33.50 left
7 0
3 years ago
Consider the situation where 12 people at a picnic want to select an activity for the afternoon. Which activity would win a plur
tatyana61 [14]
Answer is soccer because it has more numbers in the picture
4 0
3 years ago
Help please geometry, show all work!! Thanks :-)
Morgarella [4.7K]

Answer:

t = 18

Step-by-step explanation:

thank me later

6 0
2 years ago
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