Mathematics, 18.01.2022 07:30 castor1358
Grace's exercise programme requires that she does 1 sit-up on the first day, 2 sit-ups on the second day, 6 sit-ups on the third day, 15 sit-ups one the fourth days and so on until she does at least 50 sit-ups each day. How many days must Grace exercise to reach her target of 50 sit-ups per day?
Answers: 1
Mathematics, 21.06.2019 16:40
Which region represents the solution to the given system of inequalities? |-0.5x+y23 | 1.5x+ys-1 5 4 -3 -2 -1 1 2 3 4
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Mathematics, 21.06.2019 18:20
The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?
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Mathematics, 21.06.2019 19:30
For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?
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Grace's exercise programme requires that she does 1 sit-up on the first day, 2 sit-ups on the second...
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