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Semmy [17]
2 years ago
5

I NEEEDDDD HELPPP ASAPPPP!!! it’s urgentttttt

Mathematics
1 answer:
Artist 52 [7]2 years ago
4 0

Answer:

(x + 14)² + (y – 21/2)² = 1

Step-by-step explanation:

The equation of a circle can be written as seen below

(x – h)² + (y – k)² = r²

Where (h,k) is at the center and r = radius

We are given that the radius is 1

We are also given that the center is at (-14,21/2)

So we know that r = 1, h = -14, and k = 21/2

So to find the equation of the circle we simply substitute these values into the equation of a circle

Equation of a circle: (x – h)² + (y – k)² = r²

r = 1, h = -14, and k = 21/2

Substitute values

(x – (-14))² + (y – 21/2)² = 1²

1^2 = 1

The two negative signs before the 14 cancel out and it changes to + 14

The equation of a circle with a center at (-14,21/2) and a radius of 1 is (x + 14)² + (y – 21/2)² = 1

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harry invests £6000 in a savings account. the account pays 3.4% compound interest per year. work out the value of his investment
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Invested amount (P0 = £6000.

Rate of interest (r) = 3.4% = 0.034.

We know compound interest formula

A = P(1+r)^t

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So, we need to plug t=1 and plugging values of P and r in the formula above, we get

A = 6000(1+0.034)^1

A = 6000(1.034)

A = 6204.

<h3>Therefore, the value of his investment per year is £ 6204.</h3>

Now, we need to work out the value of his investment after 3 years.

So, we need to plug t=3.

A = 6000(1+0.034)^3

A = 6000(1.034)^3

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A = 6000 × 1.105507304

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<h3>Therefore, the value of his investment after 3 year is  £ 6633.04.</h3>
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2 years ago
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Elan Coil [88]

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4 0
3 years ago
What is the surface area of the square pyramid represented by the net?
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3 years ago
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