WE HAVE A JAR OF COINS, ALL QUARTERS AND DIMES. ALL TOGETHER, WE HAVE 248 COINS, AND THE TOTAL VALUE OF ALL COINS IN THE JAR IS $41.45 HOW MANY QUARTERS ARE THERE IN THE JAR?

i can

step-by-step explanation:

{3 + i, 3 - i, 3, -1}

step-by-step explanation:

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.

=

x=0.8898305 is the answer to that equation