mary is 3 years less than twice as old as her sister. mary is 11 years old. write and solve an algebraic equation to find mary’s
1 answer:
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Answer:
182 feet
Step-by-step explanation:
The equation that describes the motion of the hot air ballon is:
where:
is the initial altitude
v is the rate of descend of the balloon
t is the time
The balloon starts from a height of
and has a rate of descend of
Therefore, after time
t = 12 min
Its altitude will be