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larisa [96]
2 years ago
14

Find the radius of a circle whose arc length is 55 m and its central angle measure if 5 radians

Mathematics
1 answer:
dimaraw [331]2 years ago
4 0

Answer:

Step-by-step explanation:

To solve this question, we can use the formula S=\theta r, where S is the arc length, \theta is the central angle of the sector in radians, and r is the radius.

In this situation, we know that S=55 and \theta=5

This means that 55=5r \longrightarrow \boxed{r=11}

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Danielle’s aunt is 8 years than 3 times Danielle’s age. Her aunt is 34. Write an equation that relates Danielle’s age, a, to her
OverLord2011 [107]

Answer:

*Assuming that the question should read '8 years less than 3 times Danielle's age'*

Equation:  3a - 8 = 34, where 'a' = Danielle's age

Danielle's age (a) = 14

Step-by-step explanation:

Using key words and phrases from the problem, we can find Danielle's age by setting up an equation to solve for 'a'.  

Since Danielle's aunt is '8 years less than 3 times Danielle's age' her aunt's age can be written as:  3a - 8.  We also know her aunt is 34.  So, the equation becomes:

3a - 8 = 34

Add 8 to both sides:  3a - 8 + 8 = 34 + 8 or 3a = 42

Divide both sides by 3:  3a/3 = 42/3

Solve for a:  a = 14, so Danielle's age is 14 years old.  

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4 years ago
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andrew11 [14]

Answer:

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Step-by-step explanation:

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3 years ago
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We begin with 1,000 fish in a lake.
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Please answer this correctly without making mistakes
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Answer:

2+3s

Step-by-step explanation:

7 0
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How many 3 digit license plates can be made if the plate starts with a number, ends with a letter and the middle is either one?
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Is this a question on your test or something? I know trying out every number and letter would be difficult. There is a way to solve these types of problems. Ask your math teacher, or someone that knows this or has taught this.
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