Answer:
60
Step-by-step explanation:
Because the diameter of this circle is 20 and the formula for the circumference (perimeter) of a circle is pi * the diameter, or πd, which, if π is 3, can be computed as 60.
A takeaway from this problem is that you should memorize basic equations like the circumference/area of a circle.
LOL
Answer:
D. The over 30s have a larger range and interquartile range than the under 30s
Step-by-step explanation:
In a data set, the range is the difference between the maximum and minimum. So, the range for under 30s is 20, while the range for over 30s is 24. Additionally, the interquartile range is the difference between Q3 and Q1. For a boxplot, Q3 is the line where the box ends and Q1 is the line where the box begins. Therefore, the IQR for the under 30s is 8, and the IQR for over 30s is 11. So, D must be correct.
The two numbers are 29 and -52
Further explanation:
Let x be the larger number
and
y be the smaller number
then according to given statements
Adding both equations
Putting x = 29 in first equation
<u>Proof:</u>
Putting the values of x and y in first equation
So, The two numbers are 29 and -52
Keywords: Linear equations in two variables, Elimination method
Learn more about linear equations at:
#LearnwithBrainly
Answer:
17.66m
Step-by-step explanation:
Let the area of the rectangular garden be L²
A = L²
19.5 = L²
L = √19.5
L = 4.416
Perimeter = 4L
Perimeter = 4(4.416)
Perimeter of the garden =17.66m
Hence the number of meters of fencing that are needed to go around the garden is 17.66m
Answer:
The probability that a randomly selected x-value lies between μ − 2σ and μ is the shaded area under the normal curve shown. P(μ − 2σ ≤ x ≤ μ) = 0.135 + 0.34 = 0.475
Step-by-step explanation:
