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Crank
3 years ago
12

What is compound interest

Mathematics
2 answers:
Andrews [41]3 years ago
6 0
Is interest<span> calculated on the initial principal I think 



Best of luck hope I helped :3</span>
lapo4ka [179]3 years ago
3 0

Answer:

The best and easily understandable definition of compound interest is the interest which is calculated on the initial principal amount (starting deposit amount) and also on the earned interest of previous periods. The interest is always added to the previous principal to make a new principal for current period. The formula for the compound interest is =

P(1+\frac{r}{n})^{nt}

Here, P is principal

r = rate at which interest is calculated

n = number of times interest is compounded in a year

t = number of years for which one has to calculate the compound interest.

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HELPPP
Galina-37 [17]

Answer:

14

Step-by-step explanation:

use a computer and get the answer or use a phone or something

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2 years ago
In an exam, there is a problem that 60% of students know the correct answer. However, thereis 15% chance that a student picked t
SpyIntel [72]

Answer:

0.231

Step-by-step explanation:

Let the Probability of students that knew the correct answer be: P(A)

P(A) = 60% = 0.6

Let the Probability that the student picked the wrong answer even if he/she knows the right answer be: P(B)

P(B) = 15% =0.15

Let the Probability of the student that do not knew the correct answer Be P(C)

P(C) = 1 - P(A)

P(C) = 1 - 0.6

P(C) = 0.4

Let the Probability that the student does not know the right answer but guessed it correctly be: P(D)

P(D) = 25% = 0.25

Let the Probability that the student picked the right answer even if he/she knows the right answer be: P(E)

P(E) = 1 - P(B)

P(E) = 1 - 0.15

P(E) = 0.85

Probability that the student got the answer wrong = (0.60 X 0.15) + (0.40 X 0.75) = 0.39      

P( Student knew answer given he answered wrong) = \frac{P(Student knew answer) X P(Student answered wrong given he knew the answer}{0.39}

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= 0.23076923077

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6 0
3 years ago
Adult tickets to a basketball game cost $5. Student tickets cost $1. A total of $2,632 was collected on the sale of 1,128 ticket
MAVERICK [17]

Answer:

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S = number of student tickets

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A + S = 1033

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S = money collected for student tickets

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two equations and two unknowns:

5A + S = 2265

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subtract 2nd equation from 1st and solve for A:

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A = 308

Plug in value for A in 1st equation and solve for S:

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6 0
2 years ago
17.a. Three numbers have HCF of 12 and LCM 720. If two of the
ivolga24 [154]

Answer:

Yes it is true and 4 mark not ture

Step-by-step explanation:

3 0
2 years ago
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