The speed of light is approximately
3 x 10^8 km/s.
Alpha Centauri is a red dwarf star...
Mathematics, 23.01.2022 19:10, hebrew1148
The speed of light is approximately
3 x 10^8 km/s.
Alpha Centauri is a red dwarf star which is approximately 4.2 x 10^13 km from Earth.
How long would it take light to travel from Alpha Centauri to Earth?
Give your answer to the nearest hour.
Answers: 1
Mathematics, 22.06.2019 00:00, johnisawesome999
Mrs. blake's bill at a restaurant is $42.75. she wants to leave the waiter an 18% tip. how much will she pay in all, including the tip?
Answers: 2
Mathematics, 22.06.2019 00:50, sharonsmailbagot6uas
After reading 80% of her e-mails in her inbox, danette still has m unread e-mails. which of the following expressions could represent the number of e-mails danette had in her inbox before she started reading? choose 2 answers: (choice a) 5m (choice b) 1.8m (choice c) 80m (choice d) m/0.8 (choice e) m/1−0.8
Answers: 1
Mathematics, 22.06.2019 03:00, familygrahambusiness
Atest of sobriety involves measuring the subject's motor skills. a sample of 31 randomly selected sober subjects take the test and produce a mean score of 64.4 with a standard deviation of 2. a claim is made that the true mean score for all sober subjects is equal to 65. for each part below, enter only a numeric value in the answer box. for example, do not type "z =" or "t =" before your answers. round each of your answers to 3 places after the decimal point. (a) calculate the value of the test statistic used in this test. test statistic's value = (b) use your calculator to find the p-value of this test. p-value = (c) use your calculator to find the critical value(s) used to test this claim at the 0.2 significance level. if there are two critical values, then list them both with a comma between them. critical value(s) =
Answers: 2
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