Answer:
20 days
Step-by-step explanation:
t = time required by one worker to complete the job alone
(t+8) = time required by the other worker
So:
7.5/ t + 7.5/ (t + 8) = 1
Solve for t.
...
t = 12 days, the first guy working alone
The other worker would finish the job in 20 days.
Step-by-step explanation:
7.5 is an answer because it is example of cantral angle bisector of circle
75°+75°=150°
angles in a triangle add up to 180°
180°-150°=30°
c) x=30°
Answer:The lateral area is 
Step-by-step explanation:
we know that
The lateral area of the right prism is equal to
where
P is the perimeter of the base
H is the height of the prism
Find the perimeter of the base P
----> the rhombus has four equal sides
substitute
Answer: c) y=1/5x
Step-by-step explanation: took da test
