Answer:
Step-by-step explanation:
To find the perimeter of the shaded region, we must add all the sides up.
The straight side of the shaded region is 80 meters by 80 meters because the radius of the circle is 80 meters.
The curved side is one half of the semicircle circumference, so the length is:
length of curved side = 
= (1/4) * 502. 65482 meters = 125.6637m
Thus the perimeter is the sum of all the side lengths:
125.6637 + 80 + 80 = 286 meters (approximated)
Hope that helps!
Answer:
C. is incorrect.
Step-by-step explanation:
Calculate the percentages for each prize desired by the 50 students responding in the sample survey. See the attached image for this calculation. Multiply these percentages times the total student body of 225 students to determine the likely selection for each prize (on the attachment).
A. is correct (126 students)
B. is correct
C. is incorrect. The total is (54 + 27) = 83
D. is true
That is:
Seven million, two hundred and fifty eight thousand, six hundred and thirty.
Answer:
(0,3)
Step-by-step explanation:
In this case the vertex is the maximum point of the parabola
vertex : (0,3)
The best to do this is like this:
5 hundred thousand would be 500,000
12 of 10,000 (should be 12,000)
1,000 tens is 10,000 plus 15 tens is 150 so this is 10,150
7 ones
522,157
