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Alex_Xolod [135]
3 years ago
5

Can someone solve these puzzles

Mathematics
1 answer:
seropon [69]3 years ago
6 0
1.  600 / 900 = 260/x

234,000 / 600 = 390

the length = 390 feet

2.  100/20 = d/60
     100/20 = 5
      d = 60x5 = 300 feet
   


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True or False. To select 3 items out of 4 distinct objects, use C(4,3).
kenny6666 [7]

Answer:

True.

Step-by-step explanation:

C(4, 3) means the number of combinations from 4 items taking 3 at a time.  We are selecting 3 distinct items and it doesn't say anything about the order in which they are selected , so we use  a combination formula  not a permutation ( where order does matter).

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3 years ago
What is the solution to the linear equation? 2/3x-1/2=1/3+5/6x
creativ13 [48]
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7 0
3 years ago
Read 2 more answers
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mash [69]

Answer:

1

Step-by-step explanation:

<em>⇒2/3 ÷ (-4) - [ 1/6 - 8/6]</em>

<em>⇒2/3 / (-4) - [- 7/6]</em>

<em>⇒-1/6 + 7/6</em>

<em>⇒6/6</em>

<em>⇒1</em>

<em />

4 0
3 years ago
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