Claradealmeida Claradealmeida

05-02-2015
Mathematics

contestada

Determine o valor das seguintes expressões.

a) (17º-17'-17") : 4
b) (18º: 8 + 23º: 4 - 8º) . 29

Respuesta :

05-02-2015

a). (17º-17'-17") = 17º + 17'/60 + 17"/3600 = 17.288055...º

17.288055...º / 4 = 4.322...º = 4º - 19' - 19.25" <== a resposta

b) (18º: 8 + 23º: 4 - 8º)

18º / 8 = 2.25º
23º / 4 = 5.75º

(2.25º + 5.75º - 8º) = 0 <== a resposta

Answer Link

Otras preguntas

please answerrrrrrrrrrrr

For molecules of general formula ABn (where n > 2), how do you determine if a molocule is polar?

1. A football is kicked horizontally from a 20m high wall. How long is it before it lands? Take gravity to be 10 m/s*2 and ignore air resistance.2. If its horiz

By which of the following can movement of materials across animal cell membranes be accomplished? I Active transport II Diffusion III Pinocytosis a) I only b) I

Alayna is paid £850 per month. Each month she spends 68% of her pay and saves the rest. How many months will it take Alayna to save £4624?

Which of the following are non-modifiable risk factors for coronary heart disease? Check all that apply.a. Family history b. Low blood HDL c. Physical inactivit

What is the shortest delay time, in milliseconds, that wouldcause two 65 Hertz sine waves to be 30 degrees out of phase? Roundyour answer to the nearest hundred

A fully equipped site with a short setup time due to restoring data backups and configurations is known as?

what is the we speak in French

how does sodium metal conduct electricity?