Mathematics, 18.12.2020 05:00 FlyingUnicorn123
An instructor gives an exam with thirteen questions. Students are allowed to choose any ten to answer.
(a) How many different choices of ten questions are there?
(b) Suppose five questions require proof and eight do not.
(1) How many groups of ten questions contain three that require proof and seven that do not?
(ID) How many groups of ten questions contain at least one that requires proof?
(HI) How many groups of ten questions contain at most three that require proof?
(c) Suppose the exam instructions specify that at most one of questions 1 and 2 may be included among the ten. How many
different choices of ten questions are there?
I
(d) Suppose the exam instructions specify that either both questions 1 and 2 are to be included among the ten or neither is
to be included. How many different choices of ten questions are there?
Answers: 3
Mathematics, 21.06.2019 16:00
When turned about its axis of rotation, which shape could have created this three-dimensional object?
Answers: 3
Mathematics, 21.06.2019 17:30
The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.
Answers: 2
Mathematics, 21.06.2019 19:00
The following division is being performed using multiplication by the reciprocal find the missing numbers is 5/12 divided by x/3 equals 5/12 times x/10 equals 1/x
Answers: 2
Mathematics, 21.06.2019 22:00
10 points? ? +++ me asap gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a) gabriella averages 7.5 u.s. dollars for every 100 euros. b) gabriella averages 100 u.s. dollars for every 25 euros. c) gabriella can exchange 75 u.s. dollars for 100 euros. d) gabriella can exchange 100 u.s. dollars for 75 euros.
Answers: 2
An instructor gives an exam with thirteen questions. Students are allowed to choose any ten to answe...
Biology, 06.07.2019 05:30
Mathematics, 06.07.2019 05:30
Mathematics, 06.07.2019 05:30
Mathematics, 06.07.2019 05:30
Social Studies, 06.07.2019 05:30
English, 06.07.2019 05:30
Physics, 06.07.2019 05:30