Answer:
13.5
Step-by-step explanation:
7 1/2=7.5
7.5/5*9=13.5
XX=-3+3√2 and c=-3-3√2 ....
Hope this helps you
Answer:
1 1/2
Step-by-step explanation:
Answer:
The rank of the matrix is 3.
Step-by-step explanation:
Consider the prided information.

Reduce the matrix in row echelon form as shown:




The rank of a matrix is the number of non zeros rows.
Thus, the rank of the matrix is 3.
Answer: -60 > -160
Roberto has the higher final score.
Step-by-step explanation:
Hi, to answer this question we have to analyze the information given:
-60 is greater than -160, because -60 is father to the right than -160 on the number line (see attachment)
Since the direction of < and > always points towards the smallest number.
-60 > -160
Roberto has the higher final score.
Feel free to ask for more if needed or if you did not understand something.