Find the velocity and position vectors of an object with acceleration a(t) = 4i -72tj + (72t + 4)k, initial velocity v(0) = i + k, and initial position r(0) = j + 3k.

What will be an ideal response?


Mathematics

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Solve the problem.At one college, GPA's are normally distributed with a mean of 2.6 and a standard deviation of 0.4. What percentage of students at the college have a GPA between 2.2 and 3? 

A. 95.44% B. 68.26% C. 99.74% D. 84.13%

Mathematics

5:00 PM standard time = _____ hours military time.

A. 0500 B. 0700 C. 5:00 D. 1700

Mathematics

Write the equation in its equivalent logarithmic form.73 = x

A. logx7 = 3 B. log73 = x C. log3x = 7 D. log7x = 3

Mathematics

The median salary of the 1,788 teachers in a large public school district is $39,300. If the 69th percentile of the salaries is $46,800, find the percent of teachers whose salary is between $39,300 and $46,800.

a.  69% b.  19% c.  81% d.  31%

Mathematics