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weqwewe [10]
3 years ago
15

Use a calculator to evaluate cot π/5.

Mathematics
1 answer:
bixtya [17]3 years ago
7 0
Pi divided by five is roughly .63. I say "roughly" because pi is infinitely long so it's impossible to get an exact answer, but a common pi length would be  <span>3.14159. </span>
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What is the circumference of a circle whose radius is 13?
Inessa05 [86]

Answer:

Circumference, C = 81.68 units

Step-by-step explanation:

Given that,

The radius of the circle, r = 13 units

We need to find the circumference of the circle. The circumference of a circle is the sum of the outer boundary. For a circle, it is given by :

C=2\ \pi r

C=2\ \pi \times 13

C = 81.68 units

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Step-by-step explanation:

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soldi70 [24.7K]

Answer:

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Step-by-step explanation:

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"If a trip of 270 miles required 18 gallons of gas" is actually saying "270 miles per 18 gallons." This can be written as a fraction like so: 270/18.

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Now we can set up the proportion: \frac{270}{18} =\frac{400}{g}

Cross multiply and solve accordingly.

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It takes 26 2/3 gallons to make a 400 mile trip.

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