![veheca](/avatars/15607.jpg)
veheca
26.07.2019 •
Mathematics
Nas equacoes do segundo grau: x ao quadrado +9=0 e x ao quadrado menos 3x=0 i as duas equacoes possuem raizes reais ii apenas uma das equacoes pode ser resolvida no conjunto dos numeros reais iii nenhuma das equacoes tem solucao no conjunto dos numeros reais iv para obter a solucao de uma das equacoes é preciso recorrer ao conjunto dos numeros complexos. quais dessas sao corretas?
Solved
Show answers
More tips
- S Society and Politics Выборы: Смысл, Значение и Отражение...
- L Leisure and Entertainment History of International Women s Day: When Did the Celebration of March 8th Begin?...
- S Style and Beauty Intimate Haircut: The Reasons, Popularity, and Risks...
- A Art and Culture When Will Eurovision 2011 Take Place?...
- S Style and Beauty How to Choose the Perfect Hair Straightener?...
- F Family and Home Why Having Pets at Home is Good for Your Health...
- H Health and Medicine How to perform artificial respiration?...
- H Health and Medicine 10 Tips for Avoiding Vitamin Deficiency...
- F Food and Cooking How to Properly Cook Buckwheat?...
- F Food and Cooking How Many Grams Are In a Tablespoon?...
Answers on questions: Mathematics
- M Mathematics Noah manages a buffet at a local restaurant. He charges $10 for the buffet. On average, 16 customers choose the buffet as their meal every hour. After surveying several customers,...
- M Mathematics If the r-value, or correlation coefficient, of a data set is 0.841, what is the coefficient of determination to three decimal places?...
- M Mathematics A catering company charges a flat fee of $125 and then $12 per person to cater a dinner. Each meal costs the company $8 to make. The company s expenses also include $180 for equipment,...
- M Mathematics Consider the following sequence of successive numbers of the 2^k-th power: 1, 2^2^k, 3^2^k, 4^2^k, 5^2^k, Show that the difference between the numbers in this sequence is odd for...
- M Mathematics What are the solutions to this equation? 5 - 3√(x² - 9) = 7 -√17 There are no solutions -1 1 √17 20 POINTS...
- M Mathematics This one always confuses me...
- M Mathematics Which angles are congruent?...
- M Mathematics What is the length of mm? **8 A. 12 B. 16 C. 8 D. 4...
- M Mathematics The moon is at a distance of 384000km from the earth and its path around the earth is nearly circular. Find the circumferenceof the path described by the moon in one complete revolutionabout...
- M Mathematics Solving slope with work tho please...
Ответ:
Espero que isto ajude!
(Traduzi isso no Google Tradutor, então pode ter alguns problemas.)
Ответ:
II e IV
Step-by-step explanation:
só estou cumprindo desafios, tomara que tenha acertado.
Ответ: