Answer:
v = ± 
Step-by-step explanation:
Given
E =
( multiply both sides by 2 to clear the fraction )
2E = mv² ( divide both sides by m )
= v² ( take the square root of both sides )
v = ± 
16 over 70 or 8 over 35 to simplify.
Answer:
Step-by-step explanation:
Per pound of candy = 18.60 ÷ 3 = 6.2
No you cannot even buy a candy for 1
Answer:
81 hours
Step-by-step explanation:
He gets 10.5 dollars an hour over time and when he's working regular he earns 840 dollars so 840 divided by 10.5 is 80 so add an extra hour and he then makes more.