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Gnesinka [82]
3 years ago
9

Marcus invested $2000 in a bank account earning simple interest. The interest, I, he has after t years at an interest rate r is

given by this equation.
l = 2000 rt

After 2 years, the total amount in the account was $2160. What was the annual interest rate?
Mathematics
1 answer:
laila [671]3 years ago
5 0

Answer:

4%

Step-by-step explanation:

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ValentinkaMS [17]
The volume of a sphere uses the following formula:

V = \frac{4}{3}\pi r^{3}

Because the question asks to use 3.14 in place of pi, the formula will now look like this:

V = (\frac{4}{3})(3.14)r^{3} = 4.18\overline{66} r^{3}

We are given a diameter of 118 feet. The radius is half of the diameter, so divide the diameter by 2 to find the radius:

118 \div 2 = 59
r = 59

Plug this value into the formula, and solve with a calculator:

4.18\overline{66} \times 59^3 = 4.18\overline{66} \times 205379 = 859853.413

Although our result is one cubic foot off, the answer is <span>A. 859,852ft^3.

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3 years ago
I'm really struggling with this question. Please help!
gavmur [86]
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3 years ago
On a coordinate plane, a triangle is reflected across y = negative 2.
AleksandrR [38]

Answer:

The answer will be D.y=-2

Step-by-step explanation:

The reflection line is the fixed line that a shape or figure is reflected across of. The problem tells you that the triangle is reflected across y=-2

5 0
3 years ago
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Use the multiplier method to decrease £262 by 39%<br>You must show your working.​
Oksanka [162]

Answer:

£159.82

Step-by-step explanation:

Decrease of 39% of £262

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102.18

So the decrease will be

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159.82

So the final answer is £159.82

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