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slega [8]
3 years ago
13

A bag contains 4 red marbles, 16 yellow marbles, 5 purple marbles, 16 blue marbles, and 10 green marbles. What is the probabilit

y of pulling out a red or a green marble?
Mathematics
1 answer:
Fantom [35]3 years ago
7 0

Answer:

add all marbles together to get total number of marbles that can be drawn.

4+16+5+16+10=51 total marbles

10 of the green out of 51 or 10:51

so we divide 10 by 51 or 10/51

equals .196 or 20% rounded

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Answer:

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3 years ago
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What is the conjugate? √x + 2√b
Llana [10]
The correct answer is:  " √x  −  <span>2√b " .
</span>_________________________________________________________

       The "conjugate" of  " √x  + 2√b "  is:  " √x  −  2√b " .
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Explanation:
_________________________________________________________
      In an expression with 2 (TWO) terms;  that is, in a "binomial expression", 
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      →  So:  We are given:  " <span>√x + 2√b " .
</span>
      →  Note that this is a "binomial expression" ;

      →  that is, there are 2 (TWO) terms:  " <span>√x " ; and:  " 2√b " .
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To find the "conjugate" of the given binomial expression:

     </span>→  " <span>√x + 2√b "  ; 

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___________________________________________________________

     </span>→  " √x − 2√b "  ; 

     →  which is the "conjugate" ; and is the correct answer:
___________________________________________________________
→  " √x − 2√b " ;   is the "conjugate" of the expression:  " <span>√x + 2√b " . 
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</span>→  {that is:  " √x − 2√b " ;  is the conjugate.}.
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7 0
3 years ago
Is 16 lb greater than 256 oz?
Black_prince [1.1K]
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3 years ago
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Answer:

<em>Let the dryer cost x.</em>

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<em> </em>

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<em>The dryer cost $350.</em>

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