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5. Given the system of equations (92 – X – 5y + 7 = 0 x – y + 32 – 1 = 0 2x + y = 5 = a. Write the system in the matrix form AX b. [1 points] b. Write out the augmented matrix for this system and calculate its row-reduced echelon form. [2 points] c. Write out the complete set of solutions. [2 points]
92 (uC) =1.910 ﹀ ﹀l =-0.750 y (m) 4 91 92 10 x (m) -4 -6 The Vector Nature of the Electrostatic Force Interactive Exercises 21.06: Practice Using Coulomb's Law Consider the default configuration of the two point particles in the simulation (linked below). Notice that neither particle is located at the origin of the coordinate system. In these exercises, we wish to calculate the electrostatic force on particle #1 due to particle #2. Simulation The Vector Nature of the...
In the figure below, 91 = 1.70 x 10 -7 C and 92 = 3.70 x 10 -7 C. 91 92 - X (cm) 1 2 TT 3 4 5 6 7 8 1) What is the x component of the electric field e at the point (x, y) = (6.00 m, 3.00 m)? (Express your answer to three significant figures.) NOTE -- the figure is correctly labeled in centimeters and the question is asking for the E-field at (6,3)...
Answer the following questions 92-99
For questions 92 and 93, refer to parallelogram MNOP. 92. ZPMN LNOP a. True b. False 93. PM ON a. True b. False 94. If CDEF is a rectangle and CD = 6, what is EF? a. 12 b. 6 C. d. 2 95. If MNOP is a square, what is a. 180 b. 135 MNP? c. 90 d. 45 96. If ABCD is a trapezoid with bases of lengths 14 m and 8 m,...
Referring to triangle ABC, find the area of the triangle. X A = 43°, B =92°, c = 6.3 m Round to three significant digits. S= m2
The cost of producing a units of stuffed alligator toys is C(x) = 0.0042? + 92 + 5000. Find the marginal cost at the production level of 1000 units. dollars/unit Submit Question
A random sample of 92 observations produced a mean x=25.4 and a standard deviation =2.8. a. Find a 95% confidence interval for μ. b. Find a 90% confidence interval for μ. c. Find a 99% confidence interval for μ. a. The 95% confidence interval is (____.______) (Use integers or decimals for any numbers in the expression. Round to two decimal places as needed b. The 90% confidence interval is (____.______) (Use integers or decimals for any numbers in the...
Three charges 91 92 and 43 are set along the x-axis. qi is at the origin and 92 is at +2 = 10.4mi. If qı =+1.4C, 92=+1.2C, and 93=-1.7C, where must 93 be placed so that the net force on it is zero? In other words, the position of q3 is 73 = di, and you must find d. Answer in meters.
25 y =-92 +,x +--, for xin [-9,7] Write out the first five terms of the sequence. 8) an-n2-n 8) A) 0, 2, 6, 12, 20 B) 0, 3, 8, 15, 24 C)2, 6, 12, 20, 30 D) 1, 4, 9,16, 25 2
The charges q1-3.8x 10C, 92-4.5 x 10 C, and q- -1.8 x 107 C are placed at the corners of the that the +x-axis is to the right and the ty-axis is up along the page) 91 5.0 m 3.0 m 4.0 m 93 92 on 1