Mathematics, 18.02.2021 19:30 plshelpme53
Shari started to use the grouping method to factor the expression x2 + 5x β 84 as shown.
Which expression could be the next step in completely factoring the expression?
A.
x2 + 12x + 7(x β 12)
B.
x(x + 12) β 7(x + 12)
C.
x(x β 12) + 7(x β 12)
D.
x(x + 12 β 7) β 84
Answers: 1
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Answers: 1
Mathematics, 21.06.2019 22:40
Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236
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Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 β
Answers: 1
Shari started to use the grouping method to factor the expression x2 + 5x β 84 as shown.
Which expr...
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