Mathematics, 06.05.2020 01:25 ayoismeisalex
At a school trivia competition, contestants can answer two kinds of questions: easy questions and hard
questions. Easy questions are worth 3 points, and hard questions are worth 5 points. Chantrea knows
that she correctly answered 21 questions and that she had a total of 79 points. How many hard ques.
tions did she answer correctly?
A. 7
B. 8
C. 12
D. 13
E. 15
Answers: 3
Mathematics, 21.06.2019 15:00
The system of equations graphed below has how many solutions?
Answers: 1
Mathematics, 21.06.2019 20:30
Jose is going to use a random number generator 500500 times. each time he uses it, he will get a 1, 2, 3,1,2,3, or 44.
Answers: 1
Mathematics, 21.06.2019 22:00
The customer price index(cpi), which measures the cost of a typical package of customer goods,was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely.use data points to find such a line and then estimate the requested quantities
Answers: 1
Mathematics, 22.06.2019 01:10
Simplify each expression. use positive exponents. show work . (x β2 y β4 x 3 ) β2
Answers: 2
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