Denise needs to move some bags of gardening soil from her garage to her mother's garden. The topsoil weighs 30 pounds per bag, and the mulch weighs 30 pounds per bag. The wagon she is using carries a maximum of 330 pounds.

30t + 30m ≤ 330

Step-by-step explanation:

The maximum amount of pounds the truck can carry is 330 pounds so whatever will be carried has to either be equal to or less than 330 pounds.

= ≤ 330

t represents the number of bags of top soil and m represents the number of bags of mulch.

Each bag of top soil is 30 pounds and each bag of mulch is 30 pounds as well.

= 30t + 30m

Put together;

30t + 30m ≤ 330

since your problem is x^4 = 81, what you have to undeo is the "to the fourth power" part.

the inverse (opposite operation) of "to the fourth power" is "to the fourth root".

  (x^4) ^ ¼   = 81 ^ ¼  

  81 = 3^4     so (3 ^ 4) ^ ¼   =   3 ^ 1   = 3

by hand: (3 ^ 4) ^ ¼   =   3 ^ (4 x ¼) = 3 ^ 1   = 3   (when you take a power to a power, multiply the exponents.)

or, do it by calculator. one way of finding the fourth root is to use ^ (1/4)

step-by-step explanation: