Mathematics, 03.12.2020 01:30 grumpygreengori
What two properties of a Cepheid variable star do we need to know in order to calculate the approximate distance from Earth?
(choose two)
1.) luminosity
2.) parallax
3.) color
4.) heat intensity
5.) exact size
6.) apparent magnitude
Answers: 2
Mathematics, 21.06.2019 15:00
This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week
Answers: 1
Mathematics, 21.06.2019 17:00
In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq
Answers: 1
Mathematics, 21.06.2019 21:00
Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list
Answers: 1
What two properties of a Cepheid variable star do we need to know in order to calculate the approxim...
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