please solve only number 6 and 7
please solve only number 6 and 7 log 32 Solve the following equations (without aids if...
Extra Problems: Solve the following equations. 3. 25% – 8.5+ = -16 1. log, x + log, (x - 2) = log, (+4) 2. log1/3(x2 + 2x) – log1/3 (22 – x) = -1 4. e3 =
I only need a and c 6. Solve the following equations by using logarithms: a)2z+1 = 52z-3 b)102x-ez-1 (c))7-3-1 5x-2 = 7 3r+1 2x-3 (Hint: (e) requires using the quadratic formula.)
6. Solve for x log2 (x + 7) + log 2x-3. a) x+7=3 b) 1 c) not possible x d) none of these 7. Evaluate log, a) x b) c) not possible d) none of these 8. What is the solution of -764? a) -2 b) 0 c) 2 d) 10 9. Find the approximate value of the expression log 16 160 a) 0.54 b) 1.83 c) 2.20 d) 0.9 10. Find the value of the expression 2.5 b) 12.2...
(15 pts) 1. For each of the following equations solve for r without using a calculator. Make sure to show all of your work and give all valid solutions. (a) re3. - .(5e3r) + 6e3r = 0 (b) logg (2 + 6) = 1 - logg (x + 4) (c) log2 (x") = (log, (2)
Please show work. Thank you!! 6. Simplify: ya va 7. Solve for 2: 32+1 = 2722-7 8. If in x = -4, then x = ... 9. If log x = -2, then x = ... 10. 2 log r - 3 log y =
Solve the following system of equations for z and for y System of Equations: Value of Value of y y 9+32 Solve the following system of equations for a and for b: System of Equations: Value of a Value of b 4а + 2b 20 15a +5b 60 Plot the following system of equations on the following graph. System of Equations: p-6-2q Note: Use the orange line (square symbols) to plot the frst equation, and use the blue line (circle...
2,3, 6, 7 1. Without matrices, solve the following system using the Gaussian elimination method + 1 + HP 6x - Sy- -2 2. Consider the following linear system of equation 3x 2 Sy- (a) Write the augmented matrix for this linear system (b) Use row operations to transform the augmented matrix into row.echelon form (label all steps) (c) Use back substitution to solve the linear system. (find x and y) x + 2y 2x = 5 3. Consider the...
9. Solve and check solutions a 81'-27- b. Give an exact solution containing logs: 32 = 7 Page 5 of 6 10. Solve and check solutions. Be sure to clearly note any extraneous solutions a. log x + 1) -log(x + 9) -log(x) blog, x+12) - log, (x - 3) - 2 Gruple the function /-(89To prepe the functions, calculate the poste de pie values the chart disdire any sided lines . Page doo Range Graph the function was with...
DE Homework 7 Solve the following equations by using Laplace transform: 1. " - x'- 2.= 0,x(0) = 0,2'(0) = 2. 2. " + x = sin 2t, (0) = 1, x'(0) = 2. 3. " + 3x + 25 = t,x(0) = 0,2'0) = 0. 4. " + 9. = 1, 2(0) = 0,2'(0) = 0. 5. x' + 2y' + x = 0,x'- ' + y = 0,«(0) = 0, y(0) = 1. 6. " + 2x +...
Please use ONLY the variation of parameters method if possible. Thank you! 1. Solve the following differential equations using the method of variation of pa- rameters (for first order equations), or any other acceptable method: cos x + (sin x) y = 1 Ans: y = sin c +C cosx. (b) (x+1) 7 + (x + 2) y = 2xe-* Ans: (x+1)e’y = 22 + C. 2 + (3x + 1) y = e-32 Ans: y = e-3x + Cx-1e-3r.