Alin, un talentat fotbalist, trebuia sa adune sase numere de doua cifre. din neatentie, In fata a doua numere a pus semnul minus si astfel a obtinut un rezultat cu 42 mai mic decat acel corect. care au fost numerele cu semnele schimbate?

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.