The average change per hour is B 40.7
Answer:
y= 8th grade class,
y + 24 =160
subtract 24 from both sides
y=136
there are 136 students in the eight grade class
Step-by-step explanation:
Answer:
you got it right
Step-by-step explanation:
you mathaway to get the answer
10 hours.
If you multiply 2 1/2 by 4, the product is 10.
Answer:
7500 N
Step-by-step explanation:
Given that,
A hammer claw moves a distance of 0.10 meters to remove a nail.
Resistance force, F = 1500 N
The person move the handle of the hammer 0.5 m
We need to find the effort force. Let it is F'. The mechanical advantage is given by :

Where
are input and output distance respectively.

So, the effort force is 7500 N.