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3 years ago

an angle with a measure of 4 radians intercepts an arc with a length of 14 feet. what's is the radius of the circle

Mathematics

1 answer:

777dan777 [17]3 years ago

7 0

The radius of the circle is about 200 ft

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For this set of data, 89, 88, 84, 87, 89, 84, 84, 83, 85, 89, 84 Find the standard deviation

Ilia_Sergeevich [38]

Answer: 2.2962419891482

Step-by-step explanation: First get the mean of the numbers or the average

the mean in this case is 86

then subtract each number by the mean of 86

the numbers then become : 3, 2, -2, 1, 3, -2, -2, -3, -1, 3, -2

then square all the numbers to get : 9, 4, 4, 1, 9, 4, -4, 9, 1, 9, 4

then find the mean of those numbers which is 5.2727272727273

then find the square root of this number to find the standard deviation

2.2962419891482 is the standard deviation

hope this helps mark me brainliest if it helped

6 0

2 years ago

Find the value of x.

natulia [17]

Answer: sorry its not big enough to see sorry

Step-by-step explanation:

6 0

3 years ago

What shows the correct form of the quadratic function

n200080 [17]

Answer:

The last one is the answer

7 0

2 years ago

Write the equation of a line that is parallel to the following: 1. x = 5 2. y = -3

sineoko [7]

Answer:

1. x=6

2. y=2

Step-by-step explanation:

If x=5, the line is vertical, so we need a vertical line so that we are parallel. A vertical line is x= a constant

We can choose the value for x as long as it is not 5, that would make it the same line. I will choose x=6

If y=-3=5, the line is horizontal, so we need a horizontal line so that we are parallel. A horizontal line is y= constant

We can choose the value for y as long as it is not -3, that would make it the same line. I will choose y=2

3 0

3 years ago

Whats the squareroot of 98

Taya2010 [7]

Answer: 7√2

Step-by-step explanation: To simplify a square root where the number inside the radical is not a perfect square like the square root of 98, we start by making a factor tree for the number inside.

98 factors as 2 · 49 and if you know your perfect squares,

you should be able to recognize 49 as 7 · 7.

What we are looking for in our factor tree

are pairs of factors that are the same.

If a factor pairs up, it will come out of the radical.

If a factor does not pair up, then it stays inside the radical.

So here, since our 7's pair up, a 7 will come out of the radical.

Since the 2 does not pair up, it stays inside the radical.

So our answer is 7√2.

3 0

2 years ago