Bror cancelled terms which should NEVER be done.
x² + 3x + 2 / (x + 2) =
(x+1) * (x+2) / (x+2)
Cancelling the (x+2) factor we get
x + 1
For prisms, use the formula: 2B + Ph
B = base of figure, here it is the trapezoid.
The area of the trapezoid is (3+6)*4/2 = 18
P = perimeter of the base, which is 3+4+5+6 = 18
h = height, here it is 5.
Thus the answer is:
2*18 + 18*5 = 36 + 90 = 126 cm^2
(C)
Answer:
The degree of the given polynomial is 3.
Hope it will help :)
The most important part of this problem is reading the problem carefully and then solving it. Most of the required information's are already given in the question. Let us now focus on the problem in hand.
(12z^2 - 7z -12)/(3z^2 + 2z - 8) = [12z^2 - 16z + 9z - 12]/[3z^2 + 6z - 4z - 8]
= [4z(3z - 4) + 3(3z - 4)/[(3z(z + 2) -4(z + 2)]
= [(4z + 3)(3z - 4)]/(z + 2) (3z - 4)]
= (4z + 3)/(z + 2)
The above deduction is the simplified form. I hope that this is the answer that has come to your desired help.