Mathematics, 02.08.2019 01:00 dave9811
Halley’s comet appears in the sky once every 75 years. it last appeared in 1986. two students wrote expressions to find which years after 1986 the comet will appear. julian: : 75x + 75x whose expression is correct and why? a. neither expression is correct, because the correct expression is 75 + 1986x. b. both expressions are correct, because both show that the comet reappears every 75 years. c. julian’s expression is correct, because it shows that the comet reappears every 75 years. the year it last appeared doesn’t matter. d. casey’s expression is correct, because it shows that the comet reappears every 75 years after 1986.
Answers: 1
Mathematics, 21.06.2019 12:30
What is the percent of increase for a population that changed from 438,000 to 561,000
Answers: 1
Mathematics, 21.06.2019 16:20
He concluded that a heavier object dropped from the same height as a lighter object will land
Answers: 2
Mathematics, 21.06.2019 18:00
Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).
Answers: 2
Halley’s comet appears in the sky once every 75 years. it last appeared in 1986. two students wrote...
Social Studies, 10.10.2020 16:01
History, 10.10.2020 16:01
Mathematics, 10.10.2020 16:01
Chemistry, 10.10.2020 16:01
Mathematics, 10.10.2020 16:01
Physics, 10.10.2020 16:01
Mathematics, 10.10.2020 16:01
Mathematics, 10.10.2020 16:01
Physics, 10.10.2020 16:01
Social Studies, 10.10.2020 16:01
English, 10.10.2020 16:01
History, 10.10.2020 16:01