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weqwewe [10]
3 years ago
9

Whats 4.25 increased by 15%

Mathematics
2 answers:
Digiron [165]3 years ago
7 0
Two methods:
Method 1.
We are increasing, let us find 15% of 4.25
                                     =  15/100 *  4.25      5 into 15 and 100
                                     =    3/20 * 4.25          2 into 20 and 4.25    
                                     =     3/10 * 2.125
                                     =    3*2.125 / 10 =    6.375/10 = 0.6375

We add this answer to 4.25. 

0.6375 + 4.25 = 4.8875


Method 2:
Increasing by 15% :    (100 + 15) = 115%

We find 115% of 4.25

115 / 100 * 4.25 = 1.15 * 4.25 = 4.8875.   Use your calculator.
Firlakuza [10]3 years ago
5 0
You would turn the 15% into a decimal which is .15 then multiply .15 by 4.25. After multiplying those together add 4.25 to the answer.
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Answer:

The answer is

<h2>6 \sqrt{2}  \:  \:  \: or \:  \:  \: 8.50 \:  \:  \:  \: units</h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

d =  \sqrt{ ({x1 - x2})^{2} +  ({y1 - y2})^{2}  }  \\

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From the question

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|DE|  =  \sqrt{ ({2 - 8})^{2}  +  ({0 - 6})^{2} }  \\  =  \sqrt{( { -  6})^{2}  + ( { - 6})^{2} }  \\  =  \sqrt{36 + 36}  \\  =  \sqrt{72}  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  = 6 \sqrt{2}  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \\  = 8.4852813

We have the final answer as

6 \sqrt{2}  \:  \:  \: or \:  \:  \: 8.50 \:  \:  \:  \: units

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