<< Chapter < Page | Chapter >> Page > |
For the following problems, simplify the expressions.
For the following problems, solve the equations.
At a small business, the monthly number of sales
is approximately related to the number of employees
by
(a) Determine the approximate number of sales if the number of employees is 27.
(b) Determine the approximate number of employees if the monthly sales are 268.
The resonance frequency
in an electronic circuit containing inductance
and capacitance
in series is given by
(a) Determine the resonance frequency in an electronic circuit if the inductance is 9 and the capacitance is
. Use
(b) Determine the inductance in an electric circuit if the resonance frequency is
and the capacitance is
. Use
If two magnetic poles of strength
and
units are at a distance
centimeters (cm) apart, the force
of repulsion in air between them is given by
(a) Determine the force of repulsion if two magnetic poles of strengths 22 and 46 units are 8 cm apart.
(b) Determine how far apart are two magnetic poles of strengths 14 and 16 units if the force of repulsion in air between them is 42 units.
Notification Switch
Would you like to follow the 'Elementary algebra' conversation and receive update notifications?