\( h^2 + 25 = 169 \), so \( h^2 = 144 \), \( h = 12 \) feet.
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Calculate distance during acceleration:
Calculate distance at constant speed:
Total distance = Distance during acceleration + Distance at constant speed = 100 m + 300 m = 400 meters
A chemistry lab experiment involves mixing two solutions. Solution A contains 20% salt and Solution B contains 40% salt. If 150 mL of Solution A is mixed with 250 mL of Solution B, what is the concentration of salt in the resulting mixture?
Calculate the amount of salt in Solution A:
Calculate the amount of salt in Solution B:
Total salt = Salt from A + Salt from B = 30 mL + 100 mL = 130 mL
Total volume of mixture = Volume of A + Volume of B = 150 mL + 250 mL = 400 mL
A mathematician is solving a problem involving a geometric sequence. If the first term is 5 and the common ratio is 3, what is the 6th term of the sequence?
General formula for the nth term of a geometric sequence: