9514 1404 393
Answer:
the marked choice is the correct one
Step-by-step explanation:
A suitable calculator or web app can reduce this matrix for you.
The solution is represented by the matrix ...
![\left[\begin{array}{ccc|c}1&0&0&1\\0&1&0&-1\\0&0&1&3\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Cc%7D1%260%260%261%5C%5C0%261%260%26-1%5C%5C0%260%261%263%5Cend%7Barray%7D%5Cright%5D)
7th grade: 62/120 of the class is made up of girls; (120-62)/120 of boys.
8th grade: 58/120 of the class is made up of boys; (120-58)/120 of girls.
Looking at the info for boys only: Compare (120-62)/120 with 58/120. What do you see?
Answer:
The account statement had an ending balance of $153
Step-by-step explanation:
Check register actual balance= $256
Less; Written check= -$312
The account is short; $256-$312= -$56
Add the new deposit =-$56+$250= $194
Therefore , new account balance= $194
Subtract fees($8 & $33) from the balance= $194- $8- $33=$153
The account statement had an ending balance of $153
The answer is 35cm for the area
54x2-35 would be the equation so... when you solve that we find out Margy is 73 inches tall and that means she or he is 19 inches taller than Zach
