Mathematics, 22.10.2020 18:01 crybaby222psyc
A test consists of 850 true or false questions. If the student guesses on each question, what is the mean number of correct answers? A) 850 B) 170 C) 425 D) 0
Answers: 1
Mathematics, 21.06.2019 12:30
Which shows one way to determine the factors of x3 + 5x2 – 6x – 30 by grouping? x(x2 – 5) + 6(x2 – 5)x(x2 + 5) – 6(x2 + 5)x2(x – 5) + 6(x – 5)x2(x + 5) – 6(x + 5)
Answers: 3
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?
Answers: 1
Mathematics, 21.06.2019 19:30
Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?
Answers: 2
A test consists of 850 true or false questions. If the student guesses on each question, what is the...
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