Amy's garage door code consists of 4 digits. The code allows any of the digits 0 through 9 inclusive, but the last digit must not be a 1.
The difference between the number of codes that are possible if repeats are allowed and the number of codes that are possible if repeats are not allowed is ___
Posted 6 years ago by M-Dog in Math 30-1 | 6 answers
#permutations #combinations #binomial theorem
How can I know the difference between an atom and an ion of the same element?
Posted 6 years ago by jaydaz1 in Science 10 | 3 answers
#atoms and ions
f(x) x=7
x=-2
y=5
Posted 6 years ago by in Math 20-2 | 0 answers
#quadratic functions
The average current produced by the cell, when it operates for 30.0 min and consumes 1.00 g of the anode, is Answer A
Posted 6 years ago by Emmab in Chemistry 30 | 1 answers
#electrochemistry #chemistry 30
covert 92km/h into m/s
Posted 6 years ago by 000135186 in Math 20-2 | 3 answers
#proportional reasoning
800 J pf work are done pushing a 40.0 kg crate 6.0 m along a horizontal surface with u = 0.30. If the crate started at rest, what speed does it reach
Posted 6 years ago by Dannui in Physics 20 | 1 answers
#friction
-5(4+8y)=20
Posted 6 years ago by Hazel264 in Math 20-1 | 6 answers
#systems of equations
dentify each of the following unbalanced reactions as a redox-reaction or a non-redox reaction.
Posted 6 years ago by emmabrandle in Chemistry 30 | 0 answers
#electrochemistry
3 NO2(g) + H2O(l) → 2 HNO3(l) + NO(g) ΔrH = -72.0 kJ, calculate the molar enthalpy of reaction, rH for: NO2(g)
Posted 6 years ago by in Chemistry 30 | 1 answers
#enthalpy #thermochemistry
An athlete jumped a pole vault that was over 2 m high . Her horizontal distance was 5m. What was her initial speed?
Posted 6 years ago by sholzi in Physics 20 | 3 answers
#kinematics