Write the exponential equation in logarithmic form.


Mathematics

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Solve by using the Superposition Theorem:

R1 = 4.7 Kê, R2 = 3.3 Kê, R3 = 5.1 Kê, E1 = 40 V, and E2 = 20 V. Find I1.

a. 0.231 mA
b. 1.222 mA
c. 2.271 mA
d. 4.148 mA
e. 6.419 mA

Mathematics

Solve the problem.Suppose that sales of a particular brand of appliance satisfy the relationship  where y represents the number of sales in year x, with  corresponding to 1992. What does the ordered pair  mean in the context of the situation? 

A. In 2000, sales of the appliance were 2580. B. In 2000, sales of the appliance were 2370. C. In 2000, sales of the appliance were 4950. D. In 2000, sales of the appliance were 5160.

Mathematics

The graphs show the position s, velocity v = ds/dt, and acceleration a = d2s/dt2 of a body moving along a coordinate line as functions of time t. Which graph is which?

A. B = position, C = velocity, A = acceleration B. C = position, A = velocity, B = acceleration C. A = position, B = velocity, C = acceleration D. A = position, C = velocity, B = acceleration

Mathematics

Solve.The sum of the squares of two numbers is 65 and the difference of their squares is 33. Find the two numbers

A. 4 and 7; 4 and -7 B. 4 and 7 C. 4 and 7; 4 and -7; -4 and 7; -4 and -7 D. 4 and 7; -4 and -7

Mathematics