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il63 [147K]
3 years ago
10

You deposit $1600 in an account. The annual interest rate is 5% for 3 years. How much

Mathematics
1 answer:
kifflom [539]3 years ago
7 0

Answer: $240

Step-by-step explanation:

Simple interest= Principal x Rate x Time

Where P= 1600, R= 5% = 0.05, T=3

= 1600 x 0.05 x 3

$240

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8 0
3 years ago
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Big Ben, the famous clock tower in London, has a minute hand that is 14 feet long. How far does the tip of the minute hand of Bi
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Answer:

36.65 ft (2 dp)

Step-by-step explanation:

  • Angles around a point sum to 360°
  • 1 hour = 60 minutes

Therefore, the minute hand of a clock travels 360° in 60 minutes

Number of degrees the minute hand will travel in 25 minutes:

\sf =\dfrac{360}{60} \times 25=150^{\circ}

To find how far the tip of the minute hand travels in 25 minutes, use the Arc Length formula:

\textsf{Arc length}=2 \pi r\left(\dfrac{\theta}{360^{\circ}}\right)

\textsf{(where r is the radius and}\:\theta\:{\textsf{is the angle in degrees)}

Given:

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  • \theta = 150°

\begin{aligned}\implies \textsf{Arc length} &=2 \pi (14)\left(\dfrac{150^{\circ}}{360^{\circ}}\right)\\ & = 28\pi \left(\dfrac{5}{12}\right)\\ & = \dfrac{35}{3} \pi \\ & = 36.65\: \sf ft\:(2\:dp)\end{aligned}

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2 years ago
What is the answer to X^2-61=20
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X^2 -61 =20
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17.5 is greater than 1/6
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15 points, please help me out
Harrizon [31]

Answer 3,5,7

Step-by-step explanation:

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