this would be -7.2 and -0.8
hope this helps you out! good luck!
Answer:
C. 8.0
Step-by-step explanation:
The mechanical advantage is got from dividing the circumference of the shaft by the pitch of the screw.
Therefore, the circumference= 2πr
=2×π×2.3mm
=14.45mm
Mechanical advantage=14.45mm/1.8mm
=8.03
C = pi * d
a = pi * (d/2)^2
Answer:
13 seconds.
Step-by-step explanation:
Given
Required
Determine a reasonable solution for t
To do this, we equate h to 0.
becomes
Divide through by -4.9
Reorder the expression
Split
or 
This gives:
or 
But time can't be negative, So:
Answer: -245
Step-by-step explanation: The reason is because if you add -245 to -130 you will get her present score which is -375.
-245 + (-130)
