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aleksley [76]
3 years ago
6

A sum of money is deposited at a bank at a rate of 12½ annum simple interest. In how many years would the deposited money be dou

bled
Mathematics
1 answer:
Dmitrij [34]3 years ago
7 0

Answer:

It would take 10 years for the given sum of money be doubled at the given simple interest rate.

Step-by-step explanation:

A 10% interest would be added to the the principal amount after each year. So  the interest would reach 100% i.e. equal to the principal amount in 10 years.

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I need a answer asap Please!!
Ganezh [65]

Answer:

The ordered pairs (3 , 6) , (5 , 10) show a proportional relationship ⇒ last answer

Step-by-step explanation:

* Lets explain how to sole the problem

- Proportional relationship describes a simple relation between

 two variables

- In direct proportion if one variable increases, then the other variable

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- In inverse proportion if one variable increases, then the other variable

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- The ratio between the two variables is always constant

- Ex: If x and y are in direct proportion, then x = ky, where k

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 If x and y in inverse proportion, then x = k/y, where k is constant

* Lets solve the problem

# Last table

∵ x = 3 and y = 6

∴ x/y = 3/6 = 1/2

∵ x = 5 and y = 10

∴ x/y = 5/10 = 1/2

∵ 1/2 is constant

∵ x/y = constant

∴ x and y are proportion

* The ordered pairs (3 , 6) , (5 , 10) show a proportional relationship

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2 years ago
12=x+3. SOLVE FOR X<br>NEED HELP ASAP
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12 - 3 = x  , 9 = x . hope this helps
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3 years ago
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A salt water solution is cooled to -3C. During an experiment , the mixture is heated so that its, temperature rises at steady ra
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Answer:

y = -3+ rx

Step-by-step explanation:

Given

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Time = x

Required

Determine the equation (y)

Let the steady rate be represented with r.

So, the equation (y) can be determined using:

y = Base + Rate * Time

y = -3+ r* x

y = -3+ rx

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