Mathematics, 20.10.2019 20:00, iesps010411
Aleprechaun places a magic penny under a girl's pillow. the next night there are 2 magic pennies under her pillow. the following morning she finds four pennies. apparently, while she sleeps each penny turns into two magic pennies. the total number of pennies seen under the pillow each day is the grand total; that is, the pennies from each of the previous days are not being stored away until more pennies magically appear. how many days would elapse before she has a total of more than $21 billion?
Answers: 3
Mathematics, 22.06.2019 00:00, ivanmmmm
The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.
Answers: 2
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