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ira [324]
3 years ago
9

Find the length of arc AB

Mathematics
1 answer:
Alexeev081 [22]3 years ago
8 0

Answer:

the answer is 4pi or 12.56637061

Step-by-step explanation:

the arc length equals 2pi x radius ( known angle (120) / 360 which equals 4pi or 12.56637061

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Determine whether the underlined number is a statistic or a parameter. In a study of all 1700 professors at a college, it is fou
lilavasa [31]

Answer:

The first option is correct.

Parameter because the value is a numerical measurement describing a characteristic of population.

Class width = 12.375

B. 21.34, 47, 60, 73, 86, 99. 112 is the lower class limit

Step-by-step explanation:

The first option is correct.

Parameter because the value is a numerical measurement describing a characteristic of population.

Parameter is a measure that describes the entire population.

Statistic basically describes a sample of the population.

From the given information , the entire 1700 professors at a college is the population and only  35 % own a television is a characteristic, called parameter, of population.

Another objective we are to find here is:

Use the given minimum and maximum data entries, and the number of classes, to find the class width, .

Class width = Maximum - Minimum /No of classes

Given that :

Maximum = 120

Minimum = 21

number of classes = 8

Then;

Class width = 120 - 21 /8

Class width = 12.375

From the given information :

B. 21.34, 47, 60, 73, 86, 99. 112 is the lower class limit

7 0
2 years ago
If airpane flies at an average speed of 7.5miles per minutes in 1 1/2 hours it will have flown
vodka [1.7K]
It will have flown 675 miles in 1 1/2 hours

mark me brainliest if the answer is correct, thank you in advance :)
8 0
3 years ago
Read 2 more answers
Aaron uses the equation y=500+0.2x to determine his weekly paycheck based on his sales volume, where y represents the amount of
lbvjy [14]

Answer:

1050 units

Explanations:

Given the equation y=500+0.2x to determine his weekly paycheck based on his sales volume, where:

y is the amount of his check

x is the number of units he sells each month.

In order to determine the amount of units he would need to sell for his paycheck to be $710, we willl substitute y = 710 into the equation and find the value of x as shown:

y=500+0.2x

710 = 500+0.2x

710-500 = 0.2x

210 = 0.2x

0.2x = 210

Divide both sides by 0.2

0.2x/0.2 = 210/0.2

x = 1050

Hence he would need 1,050 units to sell for his paycheck to be $710

6 0
1 year ago
Makir is saving up his money to buy a iPad that costs $475.99. Right now he has $196.00, and can save $45.00 each week. How many
ehidna [41]
Answer:
5 weeks
Step-by-step explanation:
319.50-21.95=297.55
297.55/63.00=4.72
Since he can't wait for those many weeks, you would round it to 5 so he has enough money
5 0
2 years ago
Read 2 more answers
What is 3 ( x+2) using distributuve propert​
galben [10]

3(x+2)

Distribute and multiply
3 to x and 2 to get 3x+6
The answer is 3x+6
4 0
3 years ago
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