GIVING OUT 5 POINTS JUST ANWSER THIS QUESTION 2+6 TIMES 3000001 DIVIDED BY 23 AND SUBTRACT 2 AND ADD 1
1 answer:
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The principal sum is Rs.10,000
Step-by-step explanation:
The formula of compound interest is:
where:
- I is the interest
- P is the principal investment amount (the initial deposit or loan amount)
- r is the annual interest rate (decimal)
- n is the number of times that interest is compounded per unit t
- t is the time the money is invested or borrowed for
Jharana got Rs.1881 interest of certain sum for 2 year at 9%
compounded yearly
∵ I = Rs.1881
∵ r = (9/100) = 0.09
∵ n = 1 ⇒ compounded yearly
∵ t = 2 years
Substitute all of these values in the rule above
∴
∴ 1881 = P(1 + 0.09)² - P
∴ 1881 = P(1.09)² - P
∴ 1881 = 1.1881 P - P
∴ 1881 = 0.1881 P
- Divide both sides by 0.1881
∴ P = 10,000
The principal sum is Rs.10,000
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<u>Solution-</u>
The company purchased a new computer for $1500 and chooses to depreciate using the straight-line method for 5 years.
a-
As the value is depreciating, so its slope will be -ve.
( ∵ The value of 1500 will depreciate in 5 years )
y-intercept = 1500 ( ∵ At the beginning when x=0, y=1500)
Linear equation of the system,
y = mx +c ,
where,
m = slope = -300,
c = y-intercept = 1500
Putting the values,
b-
The implied domain of the function is 1≤x≤5 or [1,5]
c-
Follow the attachment attached herewith for the graph.
d-
Here,
y = the value of the computer
.
x = number of years depreciated = 3
Putting the values in the linear equation,
y = 1500-300(3) = 1500-900 = 600
∴ The book value of the computer after 3 years is $600.
e-
Here given that,
y = value of computer = 1600
x = asked = ??
Putting the values in the equation,
1600 = 1500 - 300x
⇒ 100= -300x
⇒ x= -3
∴ As the x is in negative, i.e it is impossible for the computer to be worth of 1600. It happens also because as the value is depreciating, it will always be less than 1500.