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amid [387]
3 years ago
12

True or False : |-25| = -25

Mathematics
2 answers:
Anna [14]3 years ago
8 0

Answer:

False

Step-by-step explanation:

The absolute value of a quantity is ALWAYS positive. If there were a negative outside of that, that would make it negative. This is the ONLY exception.

I am joyous to assist you anytime.

qaws [65]3 years ago
5 0

Answer:

<h2>FALSE</h2>

Step-by-step explanation:

The definiton of an absolute value:

|a|=\left\{\begin{array}{ccc}a&for&a\geq0\\-a&for&a

The absolute value of any real number is a non-negative number.

|-25| = -(-25) = 25 > 0

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The best way to do this is to draw a picture of ΔFKL and include line segment KM that is perpendicular to FL.  This creates ΔFKM which is a 45°-45°-90° triangle and ΔLKM which is a 30°-60°-90° triangle.

Find the lengths of FM and ML.  Then, FM + ML = FL

<u>FM</u>

ΔFKM (45°-45°-90°): FK is the hypotenuse so FM = \frac{a}{\sqrt{2}} = \frac{a\sqrt{2} }{2}

<u>ML</u>

ΔLKM (30°-60°-90°): from ΔFKM, we know that KM = \frac{a\sqrt{2} }{2} , so KL = \frac{a}{\sqrt{6}} = \frac{a\sqrt{6} }{6}  

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(\frac{3}{3})\frac{a\sqrt{2}  }{2} + \frac{a\sqrt{6}  }{6}

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8 0
3 years ago
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Pedro, Alex, and Jaime are having a three-point contest. Each boy takes six turns and records the number of three-pointers he sh
bazaltina [42]
First, reorder the numbers for each person. 
The median is basically the middle number. If there are 2 middle numbers, then take the average of the two of them. 

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Alex: 3, 5, 5, 5, 9, 9
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Answer:

Step-by-step explanation:

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Maksim231197 [3]

Answer:

3 of the DVDs were documentaries.

Step-by-step explanation:

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Now, we need to find how much 1/5 of 15 DVDs were equal to.

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So, that means our answer is 3 of the DVDs are documentaries.

Hope this helps.

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3 years ago
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Answer:

Step-by-step explanation:

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