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Lerok [7]
3 years ago
8

400 is decreased 60 amount of change

Mathematics
2 answers:
mote1985 [20]3 years ago
8 0
400-60

this is simple subtraction

your answer would be 340
alukav5142 [94]3 years ago
3 0
400 to 400-60 which is 340

Does this helps you?
I hope it does but tell me if it doesn't.

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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
ycow [4]

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:

  • r = length of minute hand = 14 ft
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\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}

4 0
2 years ago
Units must be consistent. If the unit for p is dollars, the unit for i is dollars and the unit for t is years, what must the uni
umka2103 [35]

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... r = i/(pt) = (dollars)/(dollars·year) = 1/year

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Often, the fraction is expressed as a percentage. The fraction will be unitless (as percentages are), leaving the units of r as year⁻¹.

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3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
What could be the last digit of the composite number?
umka21 [38]
The answer to your question is
2, 3, 4, 5, 6, 7, 8, 9, and 0
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