Let L be the length of the deck
= 42 feet
Let W be the width of the deck =
28 feet
A = LxW
A = 42 feet x 28 feet
A = 1176 square feet
Remaining area to be painted =
1176 square feet – 350 square feet
<span>Remaining area to be painted = 826 square feet</span>
Step-by-step explanation:
0.032% is the answer.......
1252 cookie,
do you mean total of all?
<span>The dot product here is 10(9) + 6(5)=120
so the vectors are not orthogonal
</span><span>u.v = |u| x |v| cos (theta) ; theta is the angle between them
we know from above that u.v = 120
|u| = sqrt[10^2+6^2]=11.66
|v| = sqrt[9^2+5^2]=10.29
so we know:
theta =cos^-1 120/(11.66x10.29)
so theta = 25 degrees</span><span>
</span>
Answer:
4.74 hours
Step-by-step explanation:
Given that both person have to place same number of rivets that is
11209
first person take 9 hours to complete the work
hence 1 hour work of 1st person is 
of total work
second person takes 10 hours to complete the same work
hence 1 hour work of 2nd person is 
Now if both work together then
1 hour work of both person = 
=
thus working together they need 
hours = 4.74 hours to complete the whole work which is placing 11209 rivets
