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Alex777 [14]
3 years ago
8

What is the discriminant of the polynomial below? 4x2 - 20x + 25

Mathematics
2 answers:
jeka943 years ago
8 0
Are you asking<em> to solve this because you factor out 4x^2-20x+25 and that equals (2x-5)(2x-5)that is the answer.

</em>
Vesnalui [34]3 years ago
8 0

Answer:0

Step-by-step explanation:

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John typed a 48 word paragraph in 2/3 minute. What is the typing speed in words per minute​
serg [7]

Answer:  The answer is:  " 72 words per minute. "

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Step-by-step explanation:

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This is a "unit rate" problem.

We want to solve for/ find the number of words PER single minute.

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Given 48 words per (2/3) minute;

How many words per (one) minute?

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The answer is {48 ÷ (2/3) } words per minute:

 Note: dividing by a number is the same as multiplying by the reciprocal (inverse) of that particular number:

Hence:

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The answer is {48 * (3/2) } words per minute:

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 Write as:

  " \frac{48}{1} *\frac{3}{2} " ;

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  The "48" can be changed to "24" ; and the "2" can be changed to "1" ;

   → {Since: "48 ÷ 2 = 24 "} ;

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And we have:

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  " \frac{24}{1} *\frac{3}{1} = 24 * 3 = 72 " ;

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The answer is:  " 72 words per minute ."

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Hope this is helpful to you!

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4 0
3 years ago
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Step-by-step explanation:

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