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3 years ago

11

In a circle with a radius of 2.8 cm, an arc is intercepted by a central angle of π 5 radians. What is the arc length? Use 3.14 f

or π and round your final answer to the nearest hundredth. Enter your answer as a decimal in the box.

1 answer:

Art [367]3 years ago

6 0

The answer was 1.76cm

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Five times the difference of twice a number and twelve is negative twenty. Find the number. I need help with this guys please so

Lilit [14]

Answer:

The number is 4.

Step-by-step explanation:

The difference of twice a number and 12 is 2x - 12.

Multiplying by 5 gives 5(2x - 12)

So 5(2x - 12) = -20

Solving for x

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4 years ago

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For the simple harmonic motion equation (see pic) What is the period?

prisoha [69]

Answer:

Period of the given harmonic function is 1.

Step-by-step explanation:

In any harmonic function which is in the form of y = asin(bx+c) + d , we know

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Therefore for the given function d = 5 sin (2πt) we know the value of B is 2π.

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3 years ago

(LOGARITHMS) can anyone explain how to solve this problem?

Setler79 [48]

Answer:

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Step-by-step explanation:

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Use change of base formula (remember, you can choose any base).

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log₂ 2⁷ / log₂ 2⁴

Use log rules to simplify.

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Rounded to the nearest tenth, the answer is 1.8.

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