In Exercises 21-38. solve each system of equations using matrices Use Gaussian elimination with back-substitution or G au ss- Jordan elimination, { 2 w + y − 3 z = 8 w − x + 4 z = − 10 3 w + 5 x − y − z = 20 w + x − y − z = 6
In Exercises 21-38. solve each system of equations using matrices Use Gaussian elimination with back-substitution or G au ss- Jordan elimination, { 2 w + y − 3 z = 8 w − x + 4 z = − 10 3 w + 5 x − y − z = 20 w + x − y − z = 6
Solution Summary: The author calculates the values of x, y, and z system of equations using the Gauss elimination method.
Evaluate the following expression and show your work to support your calculations.
a). 6!
b).
4!
3!0!
7!
c).
5!2!
d). 5!2!
e).
n!
(n - 1)!
Amy and Samiha have a hat that contains two playing cards, one ace and one king. They are playing a game where they randomly pick a card out of the hat four times, with replacement.
Amy thinks that the probability of getting exactly two aces in four picks is equal to the probability of not getting exactly two aces in four picks. Samiha disagrees. She thinks that the probability of not getting exactly two aces is greater.
The sample space of possible outcomes is listed below. A represents an ace, and K represents a king. Who is correct?
Consider the exponential function f(x) = 12x. Complete the sentences about the key features of the graph.
The domain is all real numbers.
The range is y> 0.
The equation of the asymptote is y = 0
The y-intercept is 1
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