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(4 points) 17. Solve the equation on the interval [0, 2x) cos 3x cos 3x + sin 3x sin 3x (6 points) 11. Use the Addition or Subtraction Formula only to find the exact value of the expression. Again, you must show your work to receive credit. a) cos b) sin 105
Systems of Equations: 3x + y = 6 2x-2y=4 Substitution: Elimination: Solve 1 equation for 1 variable. Find opposite coefficients for 1 variable. Rearrange. Multiply equation(s) by constant(s). Plug into 2nd equation Add equations together (lose 1 variable). Solve for the other variable. Solve for variable. Then plug answer back into an original equation to solve for the 2nd variable. y = 6 -- 3x solve 1" equation for y 6x +2y = 12 multiply 1" equation by 2 2x...
Question 12 (4 points) Solve the System of Equations 2x - 5y = 13 3x + 4y = –15 O (-1,-3) 0 (-3,1) (3,1) (1,3) Question 13 (4 points) Solve the System of Equations 7x + 9y = -34 - 4x - 64 = 20 Question 14 (4 points) If f(x) = (3)" then what is f(-3)? O =27 0 0 0 Question 15 (4 points) A bottle of 140 super-vitamins costs $20. If the cost varies directly with the...
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
Solve rational equation. Please provide
work.
x210 3. 2x25x 7 2x 1
Question 3 Solve the following linear program: Max 3x+2y s.t. 2x+2y <8 A 3x+2y < 12 B 1x+0.5y < 3C x,y> 0 w How much slack is in constraint B? 2 units of slack O 10 units of slack O 2 units of surplus 10 units of surplus
please solve all the questions
Question 3 [5] Consider the following: 5x-2x* + 3x - 4+3.x? a. Rearrange the terms in decreasing powers of x. b. How many terms does the expression have? c. What is the coefficient of x?? d. What is the constant term? e. Determine the value of the expression if x=-1. Question 4 a. Find the equation of the straight line passing through the points with co-ordinates (-1,4) and (1,2) [5] b. Find the equation of...
solve the rational equation check extraneous solutions x2-2x+1/x3+x2-2x=1 -x2+4x/x2-9=4x
Solve the following system of equations. 2x+4y = 8 3x + 4y = 16 x = 0 Olo X y = -1
SOLVE THE FOLLOWING SYSTEM OF EQUATIONS BY THE CRAMER'S METHOD 3X+5Y+3Z-12 2X+5Y-2Z-6 3x+6Y+3Z-3 a) X Y b) CHECK YOUR RESULTS. (USE MATRICE FUNCTIONS, PRESS F2. AND THEN PRESS CTRL+SHIFT+ENTER) 3IF Y-SINC) EXPOO. INTEGRATE Y FROM X-0 Tox-1. COMPARE WITH REAL VALUE IF DX-0 a) INT b) INT ,IF DX- 005 REAL VALUE 3) Plot sin x letting maco c/ Prepave hese cuves 4) SOLVE THE FOLLOWING SYSTEM OF EQUATIONS BY INVERSE METHOD 3 X+3Z-13 2X +5 Y-2Z-2 3 X+6Y+2Z-3 Z-...