The resistor current is 50.2 A. The coil current is 65.6 A. Find the total current. (See illustration.) Use the rules for working with measurements. 

A. 82.6 A
B. 84.8 A
C. 79.3 A
D. 115.8 A
E. 83.7 A


Answer: A

Mathematics

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Find the indicated sum. Use the formula for the sum of the first n terms of a geometric sequence.

A. 8 B. 40 C. -340 D. -88

Mathematics

Solve the system of equations. Let z be the parameter.-3x - 6y - 5z = -3-5x + y + 3z = 7

A.
B. (39 - 13z, -36 + 39z, z)
C.
D.

Mathematics

Solve.A rectangular park is 15 km long and 15 km wide. How long is a pedestrian route that runs diagonally across the park?

A. 900 km
B. 60 km
C. 15 km
D. 30 km

Mathematics

Graph the pair of parametric equations by hand, using values of t in [-2,2]. Make a table of t-, x-, and y-values, using t = -2, -1, 0, 1, and 2. Then plot the points and join them with a line or smooth curve for all values of t in [-2,2]. Do not use a calculator.x = t + 3, y = t2 - 1 

What will be an ideal response?

Mathematics