The line is right in the middle of 100 and 110 degrees so the answer should be 105 degrees. This tool is called a protractor. :)
Answer:
C = 34
Step-by-step explanation:
XW/XV = YW/YZ [[write it out]]
12 / (12+5) = 24 / x [[x is unknown]]
12 / 17 = 24 / x [[solve for x]]
17(24) = 12x [[cross-multiply]]
408 = 12x [[divide for x]]
x = 34 [[answer]]
Answer:
No, because 70% of a class of 30 students would be 21, not 24
Step-by-step explanation:
You have to know the coordinates of the center and the radius.
refer to this website for more information:
http://www.mathwarehouse.com/geometry/circle/equation-of-a-circle.php