Please solve and explain so that I can understand. 3.)-B = 2x-4,BD=2x-12, CD = x, and...
2x^2+10x+12=0 Can someone please explain this to me with steps. I don't understand it quite yet, steps and an explanation would be very helpful. I'm very, very new to this. Factor
This is database design class, I can't
solve part 3 and part 4
can you please help me?
Thank you
3. Use Armstrong's Axioms to show that if F={A->B, C>D}, F logically implies AC->BD. (20 points) 4. Consider a relational schema R=ABCDEGHI, and the following set of functional dependencies: F={A->BC,B=>CD,DE->GH} a) Find A+. Show your work. (10 points) b) Find AE+. Show your work. (10 points) c) Find BGH+. Show your work. (10 points)
Steps too so I can understand
it please.
QUESTION 13 3.5 points Save Answer Solve the equation 4 A B E QUESTION 14 3.5 points Save Answer Find the slope of the line that passes through the points (-11,13) and (5.-4. A 1 2 3 B-16 C ta 15 D. QUESTION 15 3.5 points Save Answer Simplify as much as possible. Assume all variables represent positive real numbers. A4-V2X B 2xV2X 2x x D. 2x² /2x² E. 4xV2x
solve this determinant please with clear steps
Q. Solve the determination Tx+2 2x+3 3x+4 [2x+ 3x+4 4x+5 13x+5 5x+8 10x+17
Please solve both 3 and 4,
include all steps so i can follow clearly and understand the
problem thank you
3k 3k 3. (A) What is the equivalent impedance for this array of equal valued resistors in the limit that it is infinitely long? Re R B) Use parallel and series resistor circuit reduction techniques to determine the equivalent impedance of this finite array of equal resistors. Compare to (A). Rcq R
32. Simplify : a. x/3-x/4 b. 3/(2x) -4/x c. 1/2x-1/3x 33. Find x if: 3x +6 = 2-5x a. b. x/m + x/n = 1 C 1/x = 3/m d. Sx/3 = 2 34. Find b if: x/(x+a) = 2/b a. b. v(x - b') =y 35. Solve the following Simultaneous linear equations and check in both equations: a) 3x+y=-4 x-2y 1 b) 5x+y=-8 2x-2y 4 Answer: x-1, y.3 36. Evaluate the expression below, if b-3 and c-2. 2bc'+(bc) Helpful...
please explain in as much detail as possible so I can
understand
2/4 6. Identify the major and minor products for each of the following reactions, considering the base that is used: NaOH (CH3),COK b X CH)COS , ) NaOCH CH; (CH3),COK
Please explain in detail so I can understand both of the
questions. Thankyou.
Please also take into account the mantissa significant figures
which is a requirement for the two questions.
3. Calculate the absorbance of a solution given that the transmission is 37.8%. 4. Given that the concentration of the compound giving rise to the absorption (A-0.4520) is 8.62 mmol L1, what is the molar absorption coefficient when measured through a cell of length 0.20 cm?
please solve all the questions
Complete these proofs. Given: 21222 Provet AC(CD) - CE(BC). 18. Proof Status 3. AACB - AECD. Given: 5 Provet AACB - AECD. 19. Proof Statements Reasons Fill in the blank. (3 points each question) 20. The lengths of the sides of a pentagon are 2,4,6,8, and 12 cm. In a similar pentagon, the length of its shortest side is 1 em. What is the length of the longest side in the smaller pentagon?
can you do 11 and 12
please.
E C 7. If AE-3, AB 5, and AD 4, find AC. 8. If AD-5, AB = 8, and AC = 7, find AE. 9. If BD = 3, EC = 4, and AC-9, find AD. 10. If AD = EC, DB = 4, and AE = 9, find AD. 11. If DE5, BC 7, and AD4, find AB. 12. If ED = 7, BC = 10, and AE = 2 + EC,...