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vladimir1956 [14]
2 years ago
8

I need help PLZ

Mathematics
2 answers:
Nikitich [7]2 years ago
4 0
This is all I understand
Part A. 4x+3x=7x 
-5+9=4 Part a is 7x+4

alexdok [17]2 years ago
4 0
First you have 4x-5+3x+9 so you add 4x and 3x to get 7x+9-5 then you add 9 and -5 to end with 7x+4
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The population of a country was increased in the past 4 years. The annual presentage increases are 20%,25%,30%,10% respectively.
Vladimir79 [104]

The answer is 114.5%.

Let the original population be denoted by x.

Now, let's go through the percentage increase per year.

<u>Year 1</u>

  • x (1 + 20%)
  • x (1.2)
  • 1.2x

<u>Year 2</u>

  • 1.2x (1 + 25%)
  • 1.2x (1.25)
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<u>Year 3</u>

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<u>Year 4</u>

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Overall increase : 214.5% - 100% = 114.5%

Hence, the overall percentage increase in these 4 years is 114.5%.

7 0
1 year ago
The perimeter of a rectangle is 8x-6 units. of the width is x-4 units , what is the length, in units, of the rectangle
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Answer:

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Step-by-step explanation:

Hope this helped! Please tell me if I'm wrong!

3 0
2 years ago
Pat made a total of 48 pottery plates and cups. if she made twice as many plates as cups, how many plates did she make?
ddd [48]
If C stands for cups, solve for C

48 - 2c = 0
    l
subtract 48 from each side.
    l
2c=-48
    l
divide 48 by 2 --->  24.



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

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Step-by-step explanation:

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2 years ago
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