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QveST [7]
2 years ago
5

A sum yields an interest of Rs. 900 at 15% simple interest per annum in 4 years. Find the sum.

Mathematics
1 answer:
g100num [7]2 years ago
5 0

Answer:

<h3>15</h3>

Step-by-step explanation:

<h3>P=I/RT</h3><h3> = 900/15×4</h3><h3> =900/60</h3><h3> = 15</h3><h3 /><h3 />
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Harpreet, Sukhpreet and Komalpreet are three sisters. Sukhpreet is x years old. Harpreet is 3 years older than Sukhpreet. Komalp
Ira Lisetskai [31]

Answer:

12

Step-by-step explanation:

Givens

Harpreet        = x + 3

Sukhpreet     = x

Komalpreet   = 2*(x + 3)

Average Age = 15

Equation

[(x + 3) + x + 2*(x + 3) ] / 3 = 15                  Multiply both sides by 3

Solution

3 [(x + 3) + x + 2*(x + 3) ] / 3 = 15 * 3         Combine

 [(x + 3) + x + 2*(x + 3) ]       =   45             Remove the brackets

x + 3 + x + 2x + 6                 =   45             Combine like terms

4x + 9 = 45                                                 Subtract 9 from both sides

4x + 9 - 9 = 45 - 9                                       Combine

4x = 36                                                         Divide by 4

4x/4 = 36/4

x = 9

Answer

Harpreet is  x+ 3 = 9 + 3 = 12

3 0
2 years ago
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OLEGan [10]

Answer:

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Step-by-step explanation:

its really easy if u think abt it

4 0
3 years ago
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Can someone help? Would be appreciated.
pickupchik [31]

Answer:

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Step-by-step explanation:

5 0
3 years ago
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(NOT A MULTIPLE CHOICE)
Vsevolod [243]

9514 1404 393

Answer:

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Step-by-step explanation:

The question posed by the engineer is "are residents of the city in favor of ...".

The only representative sample is one from a pool that includes <em>all residents of the city</em>—not just those who (a) use the road, (b) live along the road, or (c)  own homes.

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<em>Additional comment</em>

The engineer may want to refine the question. As posed, it would include children, homeless, and/or institutionalized residents of the city as well as drivers and tax-payers. In inclusive cultural traditions, "residents of the city" may also include animals, plants, water, air, and other holders of spiritual energy.

8 0
2 years ago
Reflect (-4,-6) across the y-axis.
Aleksandr-060686 [28]

Answer:

(4,6)

Step-by-step explanation:

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