-(11+sqrt(121-4*18))/2 = -(11 +sqrt(49))/2 = -9
Or
-(11-sqrt(121-4*18))/2 = -(11-sqrt(49))/2 = -2
D is the answer
Answer:
48 inches
Step-by-step explanation:
Put the value of the variable where the variable is in the expression and do the arithmetic.
P = 8s
P = 8(6 in)
P = 48 in
The perimeter of the octagon is 48 inches.
Answer:
8 arrangements
Step-by-step explanation:
The highest common factor of 24 and 40 is 8
So
40 / 8 = 5
24 / 8 = 3
5 orchids and 3 lilies per arrangement makes 8 arrangements
Answer:
72 cubic meters
Step-by-step explanation:
Again to calculate volume you have to take all three measurements given and multiply them like so: x times y times z. In this case x = 4, y = 1 and z = 18. When you multiply all of these terms you get 72 cubic meters.
