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kipiarov [429]
3 years ago
9

A rectangular parking lot has a perimeter of 310 meters. The length is 5 meters more than 4 times the width. What’s is the lengt

h and width?
Mathematics
1 answer:
max2010maxim [7]3 years ago
4 0

Answer:

w=30  l=125

Step-by-step explanation:

Perimeter =2l+2w

p=310

w =width

4w+5 = length(4 times plus 5 the width)

2(4w+5) + 2w = 310

8w+10 = 2w =310

10w=300

w=30    

30*4=120    120+5=125    l=125

2(125)+ 2(30)=  250+60 =310

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Answer: 644,800

Step-by-step explanation:

This can also be solved using the terms of Arithmetic Progressions.

Let the 13 years be number of terms of the sequences (n)

Therefore ;

T₁₃              = a + ( n - 1 )d , where a = 310,000 and d = 9% of 310,000

9% of 310,000 = 9/100 x 310,000

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so the common difference (d)

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Now substitute for the values  in the formula above and calculate

T₁₃              = 310,000 + ( 13 - 1 ) x 27,900

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                  = 644,800.

The population after 13 years = 644,800.

 

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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