Answer:
5
+40
Step-by-step explanation:
perimeter of circle=2
r
so 5 is r(radius)
so 10
, but since it’s semicircle, you have to divide by 2, so
5
perimeter of rectangle=15+10+15 because you don’t count the inside, so that equals 40
so 5
+40
Answer:
thats not even understandable
The brainliest answer you are looking for is 48cm2
Answer:10
Step-by-step explanation:
Answer:
Hence the value for the mean is 80 and the standard deviation for the original sample is 8.
Step-by-step explanation:
Mean = 83-3 = 80.
Here the standard deviation didn't change = 8.