937 103 Marks Here is a semicircle of radius x.
Хcm
a) Choose the correct expression for the perimeter of the shape.
πX2 210x TEX + 2x
πX
2
A
B
С
D
b) The perimeter of the shape is 25.71 cm
+
Calculate the value of the radius x.
Take it to be 3.142
JUN
w
30
A
What is the answer for B

The average hourly earnings for a construction worker is projected to be $24.50 in 2012. jason wants to join the construction work force after he graduates in 2012. his friend tells him that average hourly earnings for construction workers will rise by 2% from 2009 to 2012. based on the data below, assuming that the projected hourly earnings are correct, is jason’s friend’s statement accurate? construction industry - average hourly earnings, 2000-2009 a. his friend’s statement is accurate. the average hourly earnings will increase by 2%. b. his friend’s statement is not accurate. the percent increase will be more than 2% c. his friend’s statement is not accurate. the percent increase will be less than 2% d. his friend’s statement is not accurate. the average hourly earnings will decrease

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2

The stairs leading from the ground to the entrance of a plane forms a right triangle with the ground. if the distance of the stairs measures 22 feet and the ground distance measures 11 feet, how high is the entrance to the plane from the ground? which diagram represents this scenario? / 22ft © 22ft 11 ft 11 ft 22 it