compare to the correct answer on the picture. If not helped you can use a graph calculator and it should let you know wether or not you’re correct
Gina checked 20 markers. 7 of them were working. What percent of her markers were not working?
2 answers:
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The mean of the data set is 6.8.
<h3>What is the mean?</h3>Mean is the average value of the given set of observations. In statistics, we also come across different types of mean such as Arithmetic, Geometric and Harmonic mean.
Given
The data set is 14, 7, 2, 8, 3.
The mean of the data set is given by;
Hence, the mean of the data set is 6.8.
To know more about mean value click the link given below.
Answer:
1. B) Figure B.
2. C) Figure C.
3. D) Figure D.
4. C) Figure C.
Step-by-step explanation:
Given: Radius of Circle A= 4
Radius of Circle B= 5
Radius of circle C= 6
Radius of circle D= 7
Now, finding circumference and area of all the circle.
We know, circumference of circle=
Area of circle=
Where, r= radius of circle and π = 3.14
First, solving for figure A
Circumference=
Area=
Solving for Figure B
Circumference=
Area=
Solving for Figure C
Circumference=
Area=
Solving for Figure D
Circumference=
Area=
∴ 1. Answer is Figure B.
2. Answer is figure C.
3. Answer is Figure D
4. Answer is Figure C.