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Elis [28]
2 years ago
10

ankita and her three friends are going to share a three bedroom apartment if the total rent is Rp.r, what is ankitas share

Mathematics
1 answer:
Alik [6]2 years ago
3 0

Using proportions, it is found that Ankita's share is of \frac{x}{4}, considering that the total rent is of x Rp.r.

  • This question is solved by <em>proportions</em>, using a rule of three.
  • Considering that there are 4 people and the rent is of x Rp.r, 4 people pay x, how much does Ankita, which is one person, pay?

The <em>rule of three</em> is:

4 people - x

1 people - a

Applying cross multiplication:

4a = x

a = \frac{x}{4}

Ankita's share is of \frac{x}{4}, considering that the total rent is of x Rp.r.

You can learn more about proportions at brainly.com/question/24372153

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Igoryamba

Answer:

Yo, the answer would be 37 which is A. Cheers

Step-by-step explanation:

The sides are equal to one another

This means   4x+2=180

4x+2=180      

    -2     -2

4x=148

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x=37

5 0
3 years ago
Read 2 more answers
Somebody please help! Marked Brainliest!
olga nikolaevna [1]

Answer:

Part A:

The surface area of a cylinder is given by

A=  6πr² if h= 2r

Part B:

Total Cost of covering the cylinder = Rate *2πrh + rate*2πr²

Cost of covering only the side = Rate *2πrh

Step-by-step explanation:

Part A:

The surface area of a cylinder is given by

A= 2πrh + 2πr²

Where h= height and radius = r

But we have the height twice as radius so h= 2r

So putting h= 2r we get

A= 2πr(2r) + 2πr²

A= 4πr² + 2πr²= 2πr²(2+1) = 2πr²(3)= 6πr²

Part B:

Cost = Rate * area of the wall + rate * area of the top and bottom

Cost = Rate *2πrh + rate*2πr²

Where area of the top and bottom= πr² +πr² =2 πr²

and area of the side = 2πrh

Multiplying both with the rate and then adding would give the total cost of materials needed to cover the outside of the cylinder and from top and bottom as well.

If  you do not need to cover top and bottom then the expression would be

Cost of covering only the side = Rate *2πrh

Part C:

Already done above.

4 0
3 years ago
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mariarad [96]

Answer:

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Step-by-step explanation:

In each case, the scale factor is CP'/CP. When it is more than 1, the dilation is an enlargement.

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a) CP'/CP = (4-2)/4 = 2/4 = 1/2 . . . . a reduction

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b) CP'/CP = 25/20 = 5/4 . . . . an enlargement

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