I am hoping that the a in c = ad is supposed to be x.
The formula for circumference is c = pi * diameter with 3.14 substituting for pi.
Let’s plug in some values
172.7 = 3.14d
Divide
55 = d
The diameter should be 55 cm.
63/12 = 4.2
4.2 x 12 = 50.4
x = 50.4
Answer:
80%
Step-by-step explanation:
I'm assuming you want the average of the class.
62 + 78 + 83 + 84 + 93
= 400
400/5
= 80
Therefore Victor's overall test score is 80%
Answer:
(-INFINITY , -2) (3 , INFINITY)
Function is positive when above the x axis
Function is below the x axis between -2 and 3