Answer:
9 miles
Step-by-step explanation:
mean is calculated as
mean =
, then
= 5.7 ( multiply both sides by 10 )
sum = 57
let x be the distance he needs to cover so mean is 6 , that is
= 6 ( multiply both sides by 11 )
sum + x = 66 , that is
57 + x = 66 ( subtract 57 from both sides )
x = 9
That is he would have to run 9 miles
Answer:
l=26
w=20
Step-by-step explanation:
l-6=w
2l+2w=92
2l+2(l-6)=92
2l+2l-12=92
4l=104
l=26
(26)-6=w
w=20
Answer:
11/2??????
Step-by-step explanation:
Answer: number of blue pen = 128
Number of pen in the box = 320
Step-by-step explanation:
Answer:
It falls between √7 and √8
Step-by-step explanation:
Please kindly check the attached file for explanation.