Answer: 8
Step-by-step explanation: if you count the angels and the sides then you'll get the answer 8..
Answer:
A. 0.6 square meters
Step-by-step explanation:
A = 1/2bh
A = 1/2(2.4)(0.5)
A = 0.6 square meters
Answer:
Step-by-step explanation:
<u>System Determinant</u>
The determinant of the system is the determinant of the matrix of coefficients:
<u>X Determinant</u>
This is the determinant of the matrix with the x-coefficients replaced by the constants.
<u>Y Determinant</u>
This is the determinant of the matrix with the y-coefficients replaced by the constants.
_____
This problem didn't ask, but the solution is ...
x = Dx/D = -4/-2 = 2
y = Dy/D = -2/-2 = 1
(x, y) = (2, 1)
Answer:
28.347 %
Step-by-step explanation:
by using binomial expansion
P = 12C2•(80%)^10•(20%)^2 = 23.347 %