The answer to this is A) For 8 birdhouses, he will need 16 trapezoids.
(B = 12*4 is 48 not 16.) (C = A 2 to 1 ratio.) (D = a 1 to 2 ratio.) Hope that helps!
13!=13×12×11×10×9×8×7×6×5×4×3×2×1
=6,227,020,800
(a) Using the completing the square method, we need to write into the form of where , so
Expand to find the value of c
Notice that we get back the first two terms, the and the .We need to get rid of the last term of '9' as the term was not in the original form. The final form will look like
Hence,
(b)
(c) , square root both sides plus and minus of 2 Hence
Answer:
9 and 11
Step-by-step explanation:
Answer: -4,0,1,3
Step-by-step explanation:
Negatives will always be less than zero