4) Se a = 7, b = - 3 e c = 2, a equação do 2º grau que corresponde a esses coeficientes é: 2x (x+1) + 5x² - 5x = - 2 2x² + 7x - 5 = 0 3x² - 7 = 0 4 (x² + 7) - 3x - 7 = 0 Nenhuma das alternativas acima.

It is believed that approximately 12% of the population of the United States is lefthanded. Suppose researchers suspect that the proportion of left-handed people is higher in certain states than the national average.

I replaced a square window with a retangular one the new window is 3ft wider and 2ft higher than the square one it has an area of 42ft how long was the side of the original square window

What is the difference from 6z to z6

What is two and seven eights as an improper fraction?

If Ying Zyiyu covered the first 200 miles of a trip going at 50 mph and the last hundred miles going at 40 mph, what was his average speed for the entire trip?

prince edward island in canada is made up of three counties: kings, prine and queens. in 2011 there were 17,990 people living in kings were living in queens couny if the total number of people living on prince edward island that year was 140,204?

What is: 16% of £50 44% of 781g 92% of 1050km

The interest that Julia earns on her investment s given by the equation I = 48T where T is the time in years that her money is invested. She makes a table to determine how much money she would earn for different values of T.

Maricell, the fruit juggler, bought 0.24 pounds of apples and 3.1 pounds of oranges. How many pounds of fruit did Maricell buy?

Place value chart for 5,400