Answer:
Step-by-step explanation:
Given is the system of equations:
a) Coefficient matrix is
7 3
-6 -3
b) |A|= -21+18=-3
c) Inverse =
1 --1
2 -7/3
c) Solution = product of inverse matrix * (12 4) Transpose
X1 = 16 and X2 =-100/3
25% is also equal to 1/4. One fourth of 8 is 2. Now, check your answer: 2 times 4 is 8. Hope that helps. :)
Answer:
x= 8.24621125124 /
Step-by-step explanation:
8^2+2^2=x^2
64+4+x^2
68=x^2
x= 8.24621125124
Answer:
$318
Step-by-step explanation:
since sales tax is 6%, multiply 300 by 1.06 to find the total cost