Aprincipal of $835 is invested in an account at 4 percent per quarter simple interest. which of the following sequence(s) describes the dollar amount of principal in the account at quarterly intervals? a. 33.40, 66.80, 100.20, 133.60, 167.00, b. 835.00, 868.40, 901.80, 935.20, 968.60, c. 835.00, 901.80, 968.60, 1,035.40, 1,102.20, d. 835.00, 851.70, 868.73, 886.11, 903.83, e. 66.80, 133.60, 200.40, 267.20, 334.00, ..

Asmall (but heavy) particle placed in a glass of water will follow a zigzag motion because the particle will bounce off of the water molecules it meets. this is called brownian motion. a physicist simulates this on a computer, by varying the distance a particle can travel (called the mean free length), on average, before it collides with a water molecule and assigning the change in motion to be one of 8 directions, each with a similar probability. by running the simulated particle (with the same mean free length) many times she determines that it should take 15 seconds, on average, for the particle to fall to the bottom, with a standard deviation of 1.5 seconds. next she lets a real particle fall through a glass of water and finds that it took 18 seconds. what does she conclude, and why?

Which equation is true? i. 56 ÷ 4·7 = 82 ÷ (11 + 5) ii. (24 ÷ 8 + 2)3 = (42 + 9)2 neither i nor ii ii only i and ii i only

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.