Answer:
c.
Step-by-step explanation:
From the last row in the matrix z = 1.
From the second row:
y + 5z = -4
y = -4 -5(1) = -9.
From the first row:
x + -1 = -3
x = - 3 + 1
x = -2.
Answer:
a) 325.72
Step-by-step explanation:
A=4pir^2
A=4x3,14x7.2x7.2
a=651.44
1/2a=1/2x651.44
=325.72
1st equation has no solutions
2nd equation has 2 solutions
3rd equation has 2 solutions
4th equation has 2 solutions
5th equations has 2 solutions
Answer: 44.064
Step-by-step explanation:
Answer:
8 miles
Step-by-step explanation:
24/3 = 8
