Answer is C lines A and K
Answer:
0.448 seconds
Step-by-step explanation:
d = -16t² -4t + 412
find t when d = 407
substituting d = 407 into the equation:
407 = -16t² -4t + 412 (subtract 407 from both sides)
-16t² -4t + 412 - 407 = 0
-16t² -4t + 5 = 0 (multiply both sides by -1)
16t² + 4t - 5 = 0
solving using your method of choice (i.e completing the square or using the quadratic equation), you will end up with
t = (-1/8) (1 + √21)= -0.70 seconds (not possible because time cannot be negative)
or
t = (-1/8) (1 -√21) = 0.448 seconds (answer)
They would have increased because the 20% is bigger than the 5% and 5%=monthly housing expenses raising slow. 20%=monthly housing expenses raising higher.
Answer:
Step-by-step explanation:
number of
pennies=8 % of 50=8/100×50=4
dimes=40 % of 50=40/100×50=20
nickels=4+3=7
quarters=50-(4+20+7)=50-31=19
total money=4+20×10+7×5+19×25
=4+200+35+475
=714 pennies
=7.14 $
Answer:
2.
Step-by-step explanation:
It's a random sample, so anyone could be sampled. Everyone has the same rate of being sampled, therefore the results are fair and equal.
