Answer: It is the top right one.
Step-by-step explanation: That one passes the vertical line test. A function can't have any points that have the same x-coordinate.
Answer:
7.07cm
Step-by-step explanation:
A=πr2
= 100 π
= 314.159265359/2 (squared)
50% = 157.07963268cm ^2
We look for radius in the area formula
A=πr2
(A / π ) = 157.07963268/ 3.14159265359 = √50 = 7.07106781187
We do not need to half this as already has been squared.
Answer:
The mean is 20
Step-by-step explanation:
17+19+21+23=80
80 div 4 = 20