Which equation represents this number sentence? Nine more than the quotient of a number and 3 is 21. A. N+9/ 3 = 21 B. 3/n + 9= 21 C. 9/n+3 = 21 D. n/3 + 9 = 21

D. n/3+9=21

Step-by-step explanation:

Translate words to numbers-

Quotient of a number, n and 3: n/3

"And 9": Add 9

Is 21: =21

(n/3)+9=21

D.

Step-by-step explanation:

9 more means +9 and the quotient of is dividing the unknown number and 3 the unknown value goes on top because it is larger than the 3.

98%

step-by-step explanation:

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,