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kozerog [31]
3 years ago
12

I need help getting the answer

Mathematics
1 answer:
valentina_108 [34]3 years ago
3 0

Answer:

Step-by-step explanation:

The center is at (2,-7). The radius is 2.

(x-2)² + (y+7)² = 2²

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3 years ago
ian invested an amount of money at 3% per annum compound interest. At the end of 2 years the value of the investment was £2652.2
Scorpion4ik [409]

Answer:

the amount of money Ian invested is P =  £2,500

Step-by-step explanation:

The standard formula for compound interest is given as;

A = P(1+r/n)^{nt} \\P = \frac{A}{(1+r/n)^{nt}} ...........1\\

Where;

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n = number of times compounded yearly.

t = time of investment in years

For this case, Given that;

A = £2652.25

t = 2 years

n = 1 (semiannually)

r = 3% = 0.03

substituting the given values into equation 1;

P = \frac{A}{(1+r/n)^{nt}} ...........1\\P = \frac{2652.25}{(1+0.03)^{2}} \\P = \frac{2652.25}{(1.03)^{2}} \\

P =  £2,500

the amount of money Ian invested is P =  £2,500

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