Divide both sides by 25 to isolate x:
4 bags of cement do 18m^2, how many m^2 can be done with 7 bags
1 answer:
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Divide both sides by 25 to isolate x:
Answer:
initial velocity = 64 m/s
Step-by-step explanation:
Differentiate H = 64t - 16t² to find an equation for velocity:
Velocity = = 64 - 32t
Initial velocity (u) is when t = 0:
u = 64 - 32(0)
⇒ u = 64 - 0
⇒ u = 64 m/s
4×4=16
3×3=9
16+9=25
=5
ans =5