TAREA Nº 11 ECUACIONES DE PRIMER GRADO CON UNA INCÓGNITA HALLAR EL CONJUNTO SOLUCIÓN DE LAS ECUACIONES

1) xx= 2

2) x + 1 = 0

3) 2x - 7 = 5x + 2

4) 5x - 2x + 1 = x - 11

5) x+ 2x - 2 = 3x - 2

6) 6x +7- 2x = - x -

8

7)-9-7x 6- 2x - 10

Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis

Which region represents the solution to the given system of inequalities? |-0.5x+y23 | 1.5x+ys-1 5 4 -3 -2 -1 1 2 3 4

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.