there are 6 girls and 7 boys in a class. a team of 10 players is to be selected from the class. what is the pribability that a randomly chosen team includes 4 or 6 boys? a: 0.12 b: 0.37 c: 0.49 d: 0.75

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Answer 1

Answer: A is the answer. Hope this helps

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What is the answer to -16-90

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-16-90 = -16 + (-90) = -106

-106 is the right answer

-7(1+7n)=36-6n this is a very hard solving equations question I don't get HELP!!!

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n=-1 distribute then isolate your variable and divide

-7(1 + 7n) = 36 - 6n
-7(1) - 7(7n) = 36 - 6n
-7 - 49n = 36 - 6n
   +49n    +49n
   -7 = 36 + 43n
   -36   -36
      -43 = 43n
   43    43
      -1 = n

If a train travels m miles in h hours and 45 minutes, what is the average speed in miles per hour ?a) m / (h + 3/4 ), b) m / 7h, c) m ( h + 3/4 ), d) ( m + 45 ) / n, e) h / ( m + 45 )

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Speed = (distance covered) / (time to cover the distance).

Time = 'h' hours and 45 minutes.
45 minutes is 3/4 of an hour. (or 0.75 hour)
Total time is (h + 0.75) hours.

Speed = 'm' / (h + 0.75)

That's choice-'a'.

$s=m \ miles\n t=h \ hours \ 45 \ min=h+0.75 \ hours\n v=(s)/(t)\n v=(m)/(h+0.75) =(m)/(h+(3)/(4)) \Rightarrow A$

Which of the following did Columbus NOT bring back with him from his voyages to the "New World"?A Native people
B New foods
C Gold
D New technology for navigation

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A, Native People

Hope this helps ;)

What is x squared minus 25 equals 0

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Answer:

its 9 at night gts.

Step-by-step explanation:

5 squared is 25
25 - 25 is 0
So yeah, x = 5

Answer to this question please ASAP

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In s minutes Amy can run 3 miles
than, in 1 minutes any can run 3/s miles,
so, in 50 minutes amy can run (3x50)/s=150/s miles (ans)

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