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Paladinen [302]
2 years ago
15

What is the area of a circle? The answer is A=πr2, but I want you to show the work.

Mathematics
1 answer:
Cerrena [4.2K]2 years ago
4 0

Answer:

the area of a circle is A= πr²

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The number of peanuts in bags is normally distributed with a mean of 184.7 peanuts
ioda

Standard deviation = 3.3

The data point = 178

The mean = 184.7

<h2>Further Explanation</h2>

To calculate the Z-score of a bag containing 178 peanuts, we should use the formula to calculating a z-score.

The formula for calculating a Z-score is as follows

z = \frac{data Point - Mean}{Standard Deviation}

This also implies

z = \frac{178 - 184.7}{3.3}

Z= -2.03

therefore, the correct answer is -2.03

A z-score determine the number of standard deviation from the mean a data point is.

some important factors about z-score include:

  • if it is a positive z-score, it indicates the data point is above average
  • if it is a negative Z-score, it indicates the data point is below average
  • if the z-score is close to 0, it then means the data point is close to average
  • if the z-score is above 3 or below -3, it is considered to be unusual

Learn More about Z-score at:

brainly.com/question/12876715

#learnwithbrainly

8 0
3 years ago
What is the value of a cube if the length of one side is 9 inches
sp2606 [1]

Answer:

729 in ^3

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
On a flight from New York to London, an airplane travels at a constant speed. An equation relating the distance traveled in mile
lions [1.4K]

Complete question :

On a flight New York to London an airplane travels at a constant speed. An equation relating the distance traveled in miles d to the number of hours flying t is t= 1/500d. How long will it take the airplane to travel 800 miles?

Answer:

1.6 hours

Step-by-step explanation:

Given the function :

Time t taken for flying distance d is given by:

t = 1/500 * d

Tine taken to fly 800 miles;

d = 800 miles

t = 1/500 * (800)

t = 800 / 500

t = 1.6

Hence, time t = 1.6 hours

3 0
3 years ago
4x + y = 3<br>-x + 2y = -3<br>I need to use substitution to solve this. help?​
IrinaK [193]

Answer:

(x,y) (1,-1)

Step-by-step explanation:

y=3-4x

-x+2y=-3

x+2(3-4x)=-3

x=1

y=3-4*1

y=-1

4 0
3 years ago
Read 2 more answers
Graham sold 6 magazines less than double what Adrianne sold, a. Which of the following expressions represents Graham's sales
mrs_skeptik [129]

Answer: 2a-6=g

Step-by-step explanation:

2a-6=g

2 times the amount Adrianne sold minus 6 equals the amount Graham sold.

NOTE: I don’t know which option this is because you did not provide it, so please just select the one that contains my answer (or something similar with just different variables, both variables have to be different though).

5 0
3 years ago
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