Compare the given equation by
Therefore
a=1 ,b=3.3 ,c=-67
Therefore roots are
Therefore
Therefore answers are 6.7 and -10
Quadratic equation solution Due in 21 hours, 29 minutes x2 (3.3) x (-67) 0 What are...
Simultaneous equations III Due in 21 hours, 29 minutes 5x+y=15 What are the values of x and y? Submit Answer Tries 0/10
Problem D1 |Due in 21 hours, 29 minutes Solve for x 2x 512 (2x)4 Submit Answer Tries 0/10
Triangles Due in 21 hours, 31 minutes The following right triangle has sides of length x-5.00 and y-7.00. (NOTE: The triangle is NOT drawn to scale!) Do not enter units for the answers. Answers need to be within 2 percent of the correct answer to receive credit What is the area of the triangle? Submit Answer Tries 0/10 What is the length of the hypotenuse, z? Submit Anwer Tries 0/10 What is the value of (sine)? Submil Anwr Tries 0/10...
Problem C4 Due in 21 hours, 30 minutes Find the first and second derivatives with respect to x of exp(/a)-exp(-xa) 2 where exp(x)-e is the exponential function. Enter your answer in terms of the exponential function df/ dx= Submit Answer Tries 0/10 Submit Answer Tries 0/10
Natural Logarithms 1 Due in 21 hours, 31 minutes Most textbooks include a discussion of natural logarithms in an appendix devoted to math review For starters, evaluate e57 Submit Answer Tries 0/10 Now, find a in the expression 0.0021-e Submit Answer Tries 0/10
The two roots of the quadratic equation ax2 + bx + c = 0 can be found using the quadratic formula as -b+ v62 – 4ac . -b-v6² – 4ac 1 X1 = - and x2 = 2a 2a When b2 – 4ac < 0 this yields two complex roots - -b V4ac – 62 -b Vac – 6² x1 = = +. . 2a 2a i. and x2 = . za 2al Using the quadratic formula the roots of...
Instantaneous Velocity Due in 14 hours, 41 minutes An electron's position is given by -2.81t 1-3.86#3 + 1.836, with t in seconds and , in meters. At t 2.12 s, what is the magnitude of 0? Submit Answer Tries 0/10 At t- 2.12 s, what is the angle of relative to the positive direction of the x axis? Submit Answer Tries 0/10 Post Discussion F1 F3
Problem A3 Due in 21 hours, 31 minutes A rectangular box of length L and width w rests against a wall, making an angle θ with respect to the wall, what is the height H of the top edge of the box above the floor? Use e to denote the angle e, for example "t-cosre". Input is case-sensitive. Submit Answ Tries 0/i0
_17 Which of the following is a quadratic equation? (1) x2 +6 = 0 (2) 2x – 10 = 15 (3) 2x' – 32 = x (4) x + 2 = 10 _18 The smaller solution of the equation (x – 6)(x+5) = 0 is (1) -6 (2) – 6 (3) - 6 (4) -6
Two waves travel in opposite directions Due in 7 hours, 55 minutes A generator at one end of a very long string creates a wave given by Yix,t) -(2.00 cm)"cost(n/2)"(6.47x+ 9.34s1)and a generator at the other end creates the wave y2(x,t) (2.00 cm)*cos[(n/2)*(6.47*x - 9.34 s 1 *t)], where x is in meters and t is in seconds for both waves. Calculate the frequency of each wave Submit Answer Incorrect. Tries 4/99 Previous Tries Calculate the period of each wave....